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Which metal is active?
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Which is an active metal?
Answer : An active metal is a metal that readily reacts with other substances, such as oxygen, water, or acids. These metals tend to lose electrons easily, which makes them highly reactive. Examples of ... likely to be found in compounds rather than in their pure metallic form due to their reactivity....

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Which metal is best for eddy current?
Answer : When it comes to eddy currents, the "best" metal is usually one that has a combination of high electrical conductivity and high magnetic permeability but also a certain level of resistance. ... ) can also be used effectively for specific applications, where magnetic permeability is the main factor....

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Which metal expands more in a bimetallic strip?
Answer : In a bimetallic strip, two metals are bonded together, and when the strip is heated, one metal expands more than the other, causing the strip to bend. The metal that expands more in a ... *metals like aluminum and brass** tend to have higher thermal expansion than metals like steel or iron....

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Which metal is used in lead-acid battery?
Answer : In a lead-acid battery, the metal used is **lead**. The battery consists of two main electrodes: 1. **Lead dioxide (PbO₂)** as the positive plate. 2. **Spongy lead (Pb)** ... , lead dioxide, and the sulfuric acid create electrical energy, which powers devices like vehicles and backup power systems....

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Which metal has zero resistance?
Answer : The metal that has zero resistance is **superconducting materials**. When certain metals and materials are cooled down to extremely low temperatures, they can exhibit **zero electrical resistance**. This ... , electrical current can flow without any resistance, which means no energy is lost as heat....

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Which metal has highest resistivity class 10?
Answer : The metal with the highest resistivity is **Tungsten (W)**. Resistivity is a measure of how much a material resists the flow of electric current. Among all metals, tungsten has the highest ... (like in incandescent bulbs). To summarize: - **Tungsten** has the highest resistivity among metals....

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Which has higher resistivity and alloy or a pure metal?

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Which pin is active low pin in 74153 IC?
Answer : In the 74153 IC, which is a dual 4-input multiplexer, the **active low** pins are the **Enable** pins (often labeled as **\(\overline{E}\)**). These pins control whether the multiplexer is enabled or not. The ... overline{E_1}\)** (pin 6) and **\(\overline{E_2}\)** (pin 15) are the active low pins....

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Which is an example of active?
Answer : An example of "active" depends on the context, but if you're referring to **grammar**, an **active voice** sentence is one where the subject performs the action. For example: - **Active ... re referring to something like **electronics** or another field, let me know, and I can clarify further!...

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Which of the following is an example of active component?

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What is the Hall voltage of a metal?
Answer : The Hall voltage is the voltage that develops across a conductor when it carries an electric current and is placed in a magnetic field. It arises due to the magnetic force acting on the moving ... so the Hall voltage will give us insights into how the electrons are behaving in a magnetic field....

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What metal is used in galvanometer?
Answer : A galvanometer typically uses **copper** for its wire coils. Copper is chosen because it is a good conductor of electricity and can carry the current effectively. In addition to copper, some ... structural support. Would you like to know more about how a galvanometer works or its applications?...

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What is the purpose of a metal oxide varistor (MOV)?

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What is the use of eddy current in metal detector?
Answer : Eddy currents play a very important role in how metal detectors work. Let me explain in a simple way: --- ### What are Eddy Currents? Eddy currents are small circular electric currents that are ... detector picks up. --- Let me know if you'd like a simple diagram for better understanding!...

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Explain following wiring systems: (i) Concealed wiring (ii) Metal conduit wiring.

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A 3-ph overhead line supported by 6 disc insulators, the potential across the unit is 11 KV. Assuming shunt capacitance between each Insulator and each metal link is of 1/5th of capacitance of insulator. Calculate:

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Is LED diode active or passive?
Answer : An LED (Light Emitting Diode) is an **active** component. This is because it requires a power source to operate and emits light when current flows through it. LEDs are made from ... control the flow of electricity and can convert energy from one form (electricity) into another (light)....

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What are active and non active elements?
Answer : In electronics, **active** and **non-active** elements refer to components used in electrical circuits, but they differ in how they affect the flow of current and energy in the ... but do not generate it. Understanding these distinctions is crucial for designing and analyzing electronic circuits....

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What are active and passive instruments?
Answer : In electronics and electrical engineering, **active** and **passive** instruments refer to two different types of devices or components based on how they interact with electrical signals. ### 1. **Active ... ). Does that clarify the difference for you? Let me know if you need more details!...

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Is BJT active or passive?
Answer : A **BJT (Bipolar Junction Transistor)** is an **active** component. This means it can amplify electrical signals. In simple terms, BJTs can control the flow of current through them ... passive components like resistors or capacitors that only store or dissipate energy but don't amplify signals....

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What are the active components of fixed appliances?

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What are the active and passive appliances?
Answer : In electrical and electronics systems, appliances or components can be classified into **active** and **passive** based on how they interact with electrical energy. Here's the difference: ### 1. **Active ... t create it. Does that help? Feel free to ask if you need more examples or clarifications!...

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What is the difference between active and passive sensors with examples?

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Is SCR an active device?
Answer : Yes, an **SCR (Silicon Control Rectifier)** is considered an active device. Here's why: An active device is one that requires an external power source to operate and can control the flow ... ability to control a large current using a small gate signal, the SCR is classified as an active device....

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What do you mean by active and passive elements explain with examples?

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Is a thyristor an active component?
Answer : Yes, a thyristor is considered an active component. An active component is one that can control the flow of current and has the ability to amplify or switch signals. Thyristors fit this ... of current and has the ability to switch between different states, it qualifies as an active component....

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