Electrical and Electronics Questions Answers

Q:- Temporary magnets are used in which of the following?

Posted on February 6, 2017

1. Loud speakers.

2. Generators.

3. Motors.

4. All of these.

Hints :-

Permanent magnets lose their power after some days. So, if we use permanent magnet in those equipment, then it does not give efficient output. But, the above mentioned equipment’s have to work efficiently at all time. That is why the temporary magnets (or) the electromagnets are used in the above mentioned machines.

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Q:- In power transmission what is the follower?

Posted on January 30, 2017

1. Current follows voltage
2. Voltage follows current

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Q:- A fan regulator is a?

Posted on January 14, 2017

1. Current device
2. Voltage device

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Q: Which type of current store in capacitor?

Posted on January 3, 2017

1. AC
2. DC

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