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Why Hall voltage is more in semiconductor than in conductor?

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Why Hall voltage is more in semiconductor than in conductor?

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Why AC Needs More Insulation Than DC at Same Voltage Level?

Why AC Needs More Insulation Than DC at Same Voltage Level?
Answer : AC (Alternating Current) requires more insulation than DC (Direct Current) at the same voltage level primarily due to the nature of the current flow and the associated risks. Here's ... increased stress on the insulation material. This helps prevent insulation failure and ensures safe operation....

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Why is terminal voltage more than emf?

Why is terminal voltage more than emf?

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Why is the terminal voltage across A battery more than the emf during charging?

Why is the terminal voltage across A battery more than the emf during charging?

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Why is the terminal voltage across a battery more than the emf during charging?

Why is the terminal voltage across a battery more than the emf during charging?

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Why is increasing the temperature the specific resistance of a conductor and a semiconductor?

Why is increasing the temperature the specific resistance of a conductor and a semiconductor?

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When the Hall voltage is zero when the semiconductor is?

When the Hall voltage is zero when the semiconductor is?

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Why energy conservation technique should be adopted in transformer even though its efficiency is mostly more than 90%.

Why energy conservation technique should be adopted in transformer even though its efficiency is mostly more than 90%.

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Why does potentiometer measure the potential difference more accurate than a voltmeter?

Why does potentiometer measure the potential difference more accurate than a voltmeter?

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in Electrical Engineering

Why apparent power is more than actual power?

Why apparent power is more than actual power?
Answer : Apparent power is more than actual power because it represents the combination of both **real power (active power)** and **reactive power**, whereas actual power refers only to the real power that ... work, and reactive power, which is needed for maintaining the conditions for work to be done**....

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Why is DC used more than AC?

Why is DC used more than AC?

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State why a transformer always has an efficiency of more than 90%.

State why a transformer always has an efficiency of more than 90%.

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Why FET is more stable than BJT?

Why FET is more stable than BJT?

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What is the effect of temperature on conductor semiconductor and insulator?

What is the effect of temperature on conductor semiconductor and insulator?

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What is the effect of temperature on conductor semiconductor and insulator Class 12?

What is the effect of temperature on conductor semiconductor and insulator Class 12?
Answer : In Class 12, when studying the effects of temperature on conductors, semiconductors, and insulators, here's how temperature influences each material: ### 1. **Effect of Temperature on ... slightly at higher temperatures. This temperature dependence is a key difference between these materials....

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What is the difference between a conductor, semiconductor, and insulator?

What is the difference between a conductor, semiconductor, and insulator?
Answer : Great question! Here's a simple breakdown of the three: ### 1. **Conductor** - **What it is**: A material that allows electricity to flow through it easily. - **Why?**: Conductors have free ... ** = Hardly any flow of electricity (e.g., rubber, plastic). Does that help clarify the differences?...

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Are there more than 7 logic gates?

Are there more than 7 logic gates?
Answer : Yes, there are more than 7 logic gates! While the basic 7 logic gates (AND, OR, NOT, NAND, NOR, XOR, and XNOR) are the most commonly used, there are other types of gates and combinations of ... basic ones. So, if we combine or apply the logic differently, there are many other gates we can define!...

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in Electrical Engineering

Can you have more than 1 career?

Can you have more than 1 career?
Answer : Yes, it's definitely possible to have more than one career! Many people juggle multiple careers or side hustles. This can be done in a few different ways: 1. **Full-time job and part-time ... that neither job negatively affects the other. It's all about finding the right balance that works for you!...

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Is DC more powerful than AC?

Is DC more powerful than AC?

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Is DC more harmful than AC?

Is DC more harmful than AC?

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Is EEE more difficult than CSE?

Is EEE more difficult than CSE?

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Is USA more powerful than India?

Is USA more powerful than India?

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Is DC more safe than AC?

Is DC more safe than AC?

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Why does Hall voltage decrease with temperature?

Why does Hall voltage decrease with temperature?
Answer : Hall voltage decreases with temperature primarily due to the following reasons: 1. **Increase in Carrier Scattering**: As the temperature increases, the number of lattice vibrations ( ... mobility, changes in carrier concentration, and the general effects of temperature on material properties....

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Why Hall voltage?

Why Hall voltage?
Answer : Hall voltage is a phenomenon observed when a current-carrying conductor or semiconductor is placed in a magnetic field. The key idea behind Hall voltage is that it helps us understand how ... of magnetic fields, and it is useful for characterizing materials based on their electrical properties....

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in Electrical Engineering

Why is Hall voltage negative?

Why is Hall voltage negative?

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Why is emf always greater than terminal voltage?

Why is emf always greater than terminal voltage?
Answer : Electromotive force (emf) is the total voltage generated by a source like a battery or a generator, and terminal voltage is the actual voltage measured across the terminals of the source when it's ... the voltage is "lost" inside the power source due to its internal resistance when current flows....

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in Electrical Engineering

Why is the emf of a cell always greater than its terminal voltage?

Why is the emf of a cell always greater than its terminal voltage?
Answer : The electromotive force (emf) of a cell is always greater than its terminal voltage due to the internal resistance of the cell. Here's how it works: 1. **Emf (Electromotive Force):** This ... the circuit. That's why the emf is always greater than the terminal voltage in a practical situation....

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in Electrical Engineering

Why is the terminal voltage less than the electromotive force of the battery?

Why is the terminal voltage less than the electromotive force of the battery?
Answer : The terminal voltage of a battery is less than its electromotive force (emf) because of the internal resistance of the battery. Here's a simple breakdown: 1. **Electromotive Force (emf):** This ... providing current to a device), the voltage at its terminals will always be less than the emf value....

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Why emf is always greater than its terminal voltage?

Why emf is always greater than its terminal voltage?

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Why is the terminal voltage always less than the emf?

Why is the terminal voltage always less than the emf?
Answer : The terminal voltage of a battery or power source is always less than its electromotive force (emf) due to internal resistance. Here's a simple explanation: 1. **Emf** is the maximum ... voltage drop across the internal resistance becomes larger, making the terminal voltage even lower than the emf....

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Why back EMF is always less than applied voltage?

Why back EMF is always less than applied voltage?

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Why is terminal voltage less than emf?

Why is terminal voltage less than emf?
Answer : The terminal voltage of a battery or any power source is less than its electromotive force (emf) due to the internal resistance of the battery. Here's a simple explanation: 1. **EMF (Electromotive ... inside the battery. If there is no current (open circuit), the terminal voltage equals the EMF....

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in Electrical Engineering

Why the emf of a cell is always greater than the terminal voltage?

Why the emf of a cell is always greater than the terminal voltage?
Answer : The electromotive force (emf) of a cell is always greater than its terminal voltage because of the **internal resistance** of the cell. Here's how it works: 1. **Emf**: This is the total ... of that energy is "lost" to the internal resistance of the cell, causing the terminal voltage to be lower....

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in Electrical Engineering

Why is the terminal voltage of a cell less than emf?

Why is the terminal voltage of a cell less than emf?

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Why is terminal voltage sometimes less than the expected voltage of A battery?

Why is terminal voltage sometimes less than the expected voltage of A battery?

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Why is voltage always less than emf?

Why is voltage always less than emf?

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Why the emf of a cell is greater than its terminal voltage?

Why the emf of a cell is greater than its terminal voltage?
Answer : The electromotive force (emf) of a cell is the maximum potential difference it can provide when no current is flowing through the circuit. On the other hand, the terminal voltage is the potential difference ... is flowing, there is no voltage drop, and the terminal voltage is equal to the emf....

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in Electrical Engineering

Why terminal voltage is greater than emf when battery is charging or discharging?

Why terminal voltage is greater than emf when battery is charging or discharging?

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Why is terminal voltage sometimes less than the expected voltage of a battery?

Why is terminal voltage sometimes less than the expected voltage of a battery?

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in Electrical Engineering

Why the emf of a cell is always greater than its terminal voltage?

Why the emf of a cell is always greater than its terminal voltage?

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How does a voltage balance scheme detect broken conductor faults in transmission lines?

How does a voltage balance scheme detect broken conductor faults in transmission lines?
Answer : A voltage balance scheme is a method used in electrical transmission systems to detect faults like broken conductors in transmission lines. Here's how it works in simple terms: ### 1. ** ... measurable imbalance in voltage, which the scheme detects and triggers a response to isolate the fault....

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Why doesn't semiconductor obey Ohms law?

Why doesn't semiconductor obey Ohms law?
Answer : Semiconductors do not strictly obey **Ohm's Law** because their resistance is **non-linear** and **depends on factors like temperature, voltage, and doping levels**. Here's why: ### 1. * ... more complex laws like the **Shockley equation for diodes** and **Ebers-Moll model for transistors**....

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Why doesn't semiconductor obey Ohm's law?

Why doesn't semiconductor obey Ohm's law?
Answer : Semiconductors do not obey Ohm's law in the same way that metals do because their behavior is quite different when it comes to how they conduct electricity. Here are the key ... factors make their electrical behavior more complex compared to the simple, linear behavior of metallic conductors....

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Why the resistivity of semiconductor and insulator decreases with temperature?

Why the resistivity of semiconductor and insulator decreases with temperature?

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What is Hall voltage in semiconductors?

What is Hall voltage in semiconductors?
Answer : Hall voltage in semiconductors is the voltage that develops across a semiconductor material when it is placed in a magnetic field, with an electric current flowing through it. This phenomenon is ... to measure magnetic fields and determine the type and concentration of charge carriers in materials....

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What is n in Hall voltage formula?

What is n in Hall voltage formula?

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What is the T in Hall voltage formula?

What is the T in Hall voltage formula?

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How does a voltage balance relay detect broken conductor faults?

How does a voltage balance relay detect broken conductor faults?
Answer : A voltage balance relay detects broken conductor faults by monitoring the voltage difference between two or more conductors in a system. Here's a simplified explanation: 1. **Normal ... crucial to detect broken or disconnected conductors quickly to avoid equipment damage or unsafe conditions....

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A 3 phase line of 4 km length delivers 4000 kW at a p.f of 0.8 lagging to a load the resistance and reactance per km of each conductor are 0.2 Ω and 0.5 Ω respectively if the voltage at the supply end is maintained at 11 kV. Calculate the received end voltage and efficiency of line.

A 3 phase line of 4 km length delivers 4000 kW at a p.f of 0.8 lagging to a load the resistance and reactance per km of each conductor are 0.2 Ω and 0.5 Ω respectively if the voltage at the supply end is maintained at 11 kV. Calculate the received end voltage and efficiency of line.
Answer : Let's break down the problem step by step and calculate the received end voltage and the efficiency of the line. ### Given Data: - Power delivered to the load, \( P = 4000 \, \text{kW} \) - Power factor, \( \text{p. ... voltage**: \( 10.43 \, \text{kV} \) - **Efficiency of the line**: \( 98.61\% \)...

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Why potentiometer measures potential more accurately?

Why potentiometer measures potential more accurately?
Answer : A potentiometer measures potential more accurately than a simple voltmeter because of how it works. Here's why: 1. **Zero Current Flow**: When using a potentiometer, there is **no ... 't disturb the circuit while measuring and uses a precise comparison method to determine the potential difference....

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