🔍
Back
What is an ohm in a resistor?
0 like 0 dislike

Related questions

When a 90 ohm resistor is cut into 3 equal parts?
Answer : When a 90-ohm resistor is cut into 3 equal parts, the resistance of each part will change. The total resistance is divided equally among the parts. Since the resistor is cut into 3 equal pieces, the resistance ... \, \Omega \] Therefore, each of the 3 pieces will have a resistance of **30 ohms**....

View solution
0 like 0 dislike
14 views 1 answer
× Full Screen Image

What is the role of a ballast resistor in an LED circuit?
Answer : A **ballast resistor** in an LED circuit plays a critical role in **limiting the current** that flows through the LED. Without this resistor (or some other form of current regulation), the LED could ** ... . --- Would you like a diagram of how a ballast resistor connects in a basic LED circuit?...

View solution
0 like 0 dislike
14 views 1 answer
× Full Screen Image

What is the purpose of a current-limiting resistor in an LED circuit?
Answer : Alright, let's go through this slowly and thoroughly: --- ### **What is a Current-Limiting Resistor?** In simple terms, a **current-limiting resistor** is a resistor that is intentionally placed **in series ... you a **simple circuit diagram** of this to make it even clearer? ✨ (Just say yes!)...

View solution
0 like 0 dislike
14 views 1 answer
× Full Screen Image

What is an ohm meter?
Answer : An **ohm meter** (also called a **resistance meter**) is a device used to measure the **resistance** of a component or material. Resistance is the property that resists the flow of ... of the many features, as these devices can measure voltage, current, and other electrical properties as well....

View solution
0 like 0 dislike
14 views 1 answer
× Full Screen Image

What is an ohm equal to?
Answer : An **ohm (Ω)** is the **unit of electrical resistance** in the **International System of Units (SI)**. It is named after **Georg Simon Ohm**, a German physicist who formulated Ohm's Law ... **resists the flow of electric current**. Would you like a simple diagram to help visualize this concept?...

View solution
0 like 0 dislike
12 views 1 answer
× Full Screen Image
0 like 0 dislike
12 views 0 answers
× Full Screen Image

Is ohm meter an SI unit?
Answer : No, an **ohmmeter** is **not an SI unit**. An **ohmmeter** is a **device** (an instrument) used to **measure resistance**. The **SI unit** (Standard International unit) for ... measures how much resistance something has Would you also like me to explain a little about how an ohmmeter works? ...

View solution
0 like 0 dislike
11 views 1 answer
× Full Screen Image

What is an ohm formula?
Answer : The formula for Ohm's Law is: \[ V = I \times R \] Where: - **V** is the voltage (in volts, V) - **I** is the current (in amperes, A) - **R** is the resistance (in ohms, Ω) This ... \[ R = \frac{V}{I} \] Ohm's Law helps us understand how voltage, current, and resistance interact in a circuit....

View solution
0 like 0 dislike
18 views 1 answer
× Full Screen Image
0 like 0 dislike
11 views 0 answers
× Full Screen Image

How many resistors of 88 ohm are connected in parallel?
Answer : To determine **how many 88-ohm resistors are connected in parallel**, we need **more information**, such as: * The **total equivalent resistance** of the parallel combination * Or the **total ... . --- Would you like to provide the equivalent resistance so we can calculate the exact number?...

View solution
0 like 0 dislike
17 views 1 answer
× Full Screen Image

What is ohm in electricity?
Answer : An **ohm** (symbol: Ω) is the unit of electrical resistance. It measures how much a material resists the flow of electric current. In simple terms, resistance is like the friction that opposes ... have low resistance. So, the ohm helps us understand how materials control the flow of electricity!...

View solution
0 like 0 dislike
12 views 1 answer
× Full Screen Image

What is 1 ohm in SI units?
Answer : 1 ohm (Ω) is the unit of electrical resistance in the International System of Units (SI). It is defined as the resistance between two points when a constant potential difference of 1 volt (V) ... is the resistance that allows 1 amp of current to flow when 1 volt of potential difference is applied....

View solution
0 like 0 dislike
13 views 1 answer
× Full Screen Image

What is ohm in voltage?
Answer : An **Ohm** is not a unit of voltage, but rather a unit of **resistance** in an electrical circuit. It's named after the German physicist **Georg Simon Ohm**. Voltage (measured in ** ... measure resistance, not voltage. So, the voltage depends on both the current and the resistance in the circuit....

View solution
0 like 0 dislike
14 views 1 answer
× Full Screen Image

What is ohm in SI unit?
Answer : In the International System of Units (SI), **ohm** (symbol: Ω) is the unit of electrical resistance. It is defined as the amount of resistance in a conductor when a voltage of one volt ( ... resistance is 1 ohm, a 1-volt potential difference across the conductor will create a current of 1 ampere....

View solution
0 like 0 dislike
19 views 1 answer
× Full Screen Image

What is the purpose of a feedback resistor in a circuit?
Answer : A feedback resistor in a circuit serves to control or adjust the behavior of the circuit, particularly in amplifiers or other active components like operational amplifiers (op-amps). The key ... the circuit, whether it's controlling gain, stabilizing performance, or shaping the frequency response....

View solution
0 like 0 dislike
14 views 1 answer
× Full Screen Image

What is the role of a current sense resistor in SMPS?
Answer : In a **Switch Mode Power Supply (SMPS)**, a **current sense resistor** plays a crucial role in monitoring and controlling the current flowing through the circuit. Here's a breakdown ... sense resistor is a fundamental component for ensuring proper operation, efficiency, and safety in SMPS designs....

View solution
0 like 0 dislike
9 views 1 answer
× Full Screen Image

What is the purpose of a voltage-controlled resistor in variable gain circuits?
Answer : A **voltage-controlled resistor (VCR)** is used in **variable gain circuits** to adjust the amplitude of a signal based on an input control voltage. The main purpose of a VCR in ... and **electronic** way to control signal amplification by adjusting resistance in response to a control voltage....

View solution
0 like 0 dislike
11 views 1 answer
× Full Screen Image

What is the purpose of a neutral grounding resistor in electrical wiring?
Answer : A neutral grounding resistor (NGR) is used in electrical systems to limit the amount of fault current that can flow when there is a ground fault. Here's a breakdown of its ... fault currents, ensuring safety, protecting equipment, and maintaining the overall stability of the electrical system....

View solution
0 like 0 dislike
15 views 1 answer
× Full Screen Image

What is the function of a neutral earthing resistor in power systems?

View solution
0 like 0 dislike
10 views 0 answers
× Full Screen Image

What is the purpose of a bleeder resistor in a high-voltage power supply?
Answer : The purpose of a **bleeder resistor** in a high-voltage power supply is to **discharge** the stored charge in the capacitors when the power supply is turned off or not in use. ... simple yet important component that helps in safely managing the high-voltage charge stored in power supply circuits....

View solution
0 like 0 dislike
13 views 1 answer
× Full Screen Image

What is the purpose of a pull-up resistor in a digital circuit?
Answer : A pull-up resistor is used in digital circuits to ensure that a signal line (usually an input to a logic gate or a microcontroller) is at a defined voltage level when it's not actively driven ... at a defined, stable voltage level (usually high) when no other device is actively driving the signal....

View solution
0 like 0 dislike
13 views 1 answer
× Full Screen Image

How do you calculate the power dissipated in a resistor?
Answer : Alright, let's go through **how to calculate the power dissipated in a resistor** carefully and in full detail, so that anyone - even a beginner - can understand. --- ### **Basic Concept* ... visual (diagram) of how power dissipation looks inside a resistor? It can make the idea even clearer!...

View solution
0 like 0 dislike
10 views 1 answer
× Full Screen Image

How does a circuit with a resistor and capacitor in series behave?
Answer : When a resistor (R) and a capacitor (C) are connected in series in a circuit, it forms what's called an **RC circuit**. The behavior of the circuit depends on how it is powered ... the capacitor charges or discharges, and the capacitor stores energy, affecting the voltage in the circuit over time....

View solution
0 like 0 dislike
19 views 1 answer
× Full Screen Image

What is the purpose of a bias resistor in a transistor circuit?
Answer : The purpose of a **bias resistor** in a transistor circuit is to set and stabilize the operating point (also known as the **bias point**) of the transistor. This ensures that the ... ensures that external factors (like temperature or power supply changes) don't cause it to behave unpredictably....

View solution
0 like 0 dislike
8 views 1 answer
× Full Screen Image

What is a node in a resistor?
Answer : In the context of electrical circuits, a **node** is simply a point where two or more components, like resistors, are connected together. It's not specific to resistors but applies to any ... electrical current can flow, and it helps in analyzing the voltage and current distribution in a circuit....

View solution
0 like 0 dislike
11 views 1 answer
× Full Screen Image

How does a capacitor-resistor (CR) snubber circuit work in power electronics?

View solution
0 like 0 dislike
12 views 0 answers
× Full Screen Image

What is the role of a current sense resistor in a power converter?
Answer : In a power converter, a **current sense resistor** is used to monitor the current flowing through the circuit, typically through the inductor, output load, or the switching devices (like ... **monitoring, controlling, and protecting** the power converter, ensuring it operates efficiently and safely....

View solution
0 like 0 dislike
14 views 1 answer
× Full Screen Image

What is the function of a bleed resistor in high-voltage circuits?
Answer : A **bleed resistor** in high-voltage circuits is used to safely discharge or "bleed off" the stored charge in capacitors, particularly when the power is turned off. Here's why it's ... role is to protect people and components from the lingering effects of stored charge in high-voltage circuits....

View solution
0 like 0 dislike
15 views 1 answer
× Full Screen Image

What is the role of a series resistor in current limiting?
Answer : A series resistor is used in electrical circuits to limit the amount of current that flows through the circuit. It works by creating a voltage drop across itself, which reduces the current according to ... current for the component. This way, the series resistor helps to safely limit the current....

View solution
0 like 0 dislike
16 views 1 answer
× Full Screen Image

What is the role of a shunt resistor in current measurement?
Answer : A **shunt resistor** is a precise, low-resistance resistor that is used to measure the current flowing through a circuit. Here's how it works: 1. **Placement**: The shunt resistor is ... , effective way to measure current by creating a measurable voltage drop that can be related to the current....

View solution
0 like 0 dislike
16 views 1 answer
× Full Screen Image

How does a basic capacitor discharge in a resistor-capacitor (RC) circuit?
Answer : In an RC (Resistor-Capacitor) circuit, the capacitor discharges through the resistor when the circuit is closed. Here's a simple explanation of how it works: 1. **Initial ... the discharge. This process is fundamental in many electronic circuits, including filtering and timing applications....

View solution
0 like 0 dislike
20 views 1 answer
× Full Screen Image

What is the function of a pull-up resistor in digital circuits?

View solution
0 like 0 dislike
11 views 0 answers
× Full Screen Image

What is the function of a bleeder resistor in a power supply?

View solution
0 like 0 dislike
16 views 0 answers
× Full Screen Image

How does a resistor affect current in a series circuit?

View solution
0 like 0 dislike
14 views 0 answers
× Full Screen Image

What is the function of a load resistor in a power supply?
Answer : A **load resistor** in a power supply serves to simulate the current draw or "load" that the power supply will encounter when connected to a real device or circuit. Here's what it ... real-world circuit that will eventually be powered by the supply, making sure everything runs smoothly and safely....

View solution
0 like 0 dislike
18 views 1 answer
× Full Screen Image

What is the role of a gate resistor in a MOSFET circuit?

View solution
0 like 0 dislike
13 views 0 answers
× Full Screen Image

How does a resistor control current in a circuit?
Answer : A resistor controls the current in a circuit by providing opposition to the flow of electric charge. Here's how it works: 1. **Ohm's Law**: The relationship between voltage (V), current (I), ... more resistance it has, the less current flows, and the less resistance it has, the more current flows....

View solution
0 like 0 dislike
12 views 1 answer
× Full Screen Image

What is the purpose of a current sensing resistor in a power converter circuit?

View solution
0 like 0 dislike
15 views 0 answers
× Full Screen Image

What is the function of a bleeder resistor in power electronics?

View solution
0 like 0 dislike
13 views 0 answers
× Full Screen Image

What is the role of a gate resistor in a power MOSFET circuit?

View solution
0 like 0 dislike
14 views 0 answers
× Full Screen Image

What is the function of a damping resistor in a power circuit?
Answer : A damping resistor in a power circuit helps to reduce or "damp" unwanted oscillations, noise, or spikes in the system. These unwanted fluctuations can occur due to sudden changes in current ... "shock absorber" for the electrical signals, improving the reliability and longevity of the power circuit....

View solution
0 like 0 dislike
16 views 1 answer
× Full Screen Image

How do you calculate power dissipation in a resistor?
Answer : To calculate the power dissipation in a resistor, you can use the formula: \[ P = I^2 R \] Where: - \( P \) is the power dissipated in the resistor (in watts, W), - \( I \) ... voltage across it. The power is essentially the energy lost in the form of heat due to the resistance of the material....

View solution
0 like 0 dislike
13 views 1 answer
× Full Screen Image
0 like 0 dislike
12 views 0 answers
× Full Screen Image
0 like 0 dislike
9 views 0 answers
× Full Screen Image
0 like 0 dislike
9 views 0 answers
× Full Screen Image

What is a galvanometer of resistance of 50 ohm?
Answer : A **galvanometer** is an instrument used to detect and measure small electric currents. It works by moving a needle or pointer when an electric current flows through it, typically indicating the ... of the galvanometer helps in understanding how much current will flow through it for a given voltage....

View solution
0 like 0 dislike
18 views 1 answer
× Full Screen Image
0 like 0 dislike
10 views 0 answers
× Full Screen Image
0 like 0 dislike
12 views 0 answers
× Full Screen Image

How to ohm a wire?
Answer : To "ohm" a wire is a way of checking its resistance using an **ohmmeter** or a **multimeter** (set to measure resistance). The resistance tells you how much the wire resists the flow of electricity. ... are a good conductor, and their resistance should be low. Let me know if you need more details!...

View solution
0 like 0 dislike
15 views 1 answer
× Full Screen Image

When a uniform wire of resistance 5 ohm is cut into 5 equal parts?
Answer : When you cut a uniform wire into 5 equal parts, each part will have 1/5 of the original wire's length. Since the resistance of a wire is directly proportional to its length (assuming the material and cross- ... \] ### Conclusion: The resistance of each of the 5 equal parts will be **1 ohm**....

View solution
0 like 0 dislike
16 views 1 answer
× Full Screen Image
Learn Electrical and Electronics Engineering the easy way at Electrical-Engineering.app – tutorials, tools, calculators, and video lessons for students, professionals, and beginners.

Subjects

29.4k questions

17.8k answers

8.9k users