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Which is an active device?
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There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

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Which of the following is an example of active component?

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Which device is used in ECG?
Answer : The device used in an ECG (Electrocardiogram) is called an **ECG machine** or **ECG monitor**. It records the electrical activity of the heart over a period of time using ... heart's electrical activity. This helps doctors analyze heart rhythm, detect abnormalities, and diagnose heart conditions....

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Which device is used in self induction?
Answer : The device used in self-induction is called an **inductor**. An inductor is a coil of wire, often wound around a core of magnetic material. When an electric current flows through the coil, ... *self-induction**. In short, inductors are the main devices used to demonstrate and use self-induction....

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In which device a bimetallic strip is used to control temperature?

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Which electrical device is being used as a potential divider?

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In which device DC motor is used?
Answer : DC motors are used in various devices where controlled motion and speed are required. Some common devices that use DC motors include: 1. **Electric Fans** - DC motors are used in small electric ... simple to control with a change in voltage, which makes them suitable for a variety of applications....

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Which device is used in half wave rectifier?
Answer : In a half-wave rectifier, a **diode** is used. The diode allows current to flow in only one direction, converting the alternating current (AC) input into a pulsed direct current (DC) output. During ... "chopping off" that part of the waveform. This results in a half-wave of the original AC signal....

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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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What is an energy conversion device?
Answer : An energy conversion device is a machine or system that changes one form of energy into another. For example, it takes electrical, mechanical, thermal, or chemical energy and converts it into a ... use different types of energy in ways that are practical and efficient for daily life and industry....

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What is the difference between an MCB and an RCD (Residual Current Device)?

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How do you calculate the efficiency of an electrical device?

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How does an intelligent electronic device (IED) work in substation automation?

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Explain the working principle of an ESD protection device.

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Why is FET an unipolar device?
Answer : A **FET (Field Effect Transistor)** is considered a **unipolar device** because it primarily relies on the movement of **one type of charge carrier** (either **electrons** or * ... charge carrier, making them fundamentally different from bipolar devices like BJTs, which use both electrons and holes....

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Describe with sketch the working of Variable frequency drive as an energy conservation device.

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Illustrate with neat sketch the working of automatic power factor corrector as an energy conservation device.

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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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