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Electronics Interview questions and answers

Electronics Interview questions

electrical engineering

what is back e.m.f in motor, and it depends upon which factors

Answers No Answers In: Electronics By: [2 Grey Star Level] May 4, 2013

The current through a resistor of 50 ohms in an AC circuit at t = 0.008 s is 65% of the peak value.

The smallest possible frequency of the generator delivering the current is

Answers 1 Answer In: Electronics By: [ Grey Star Level] Apr 26, 2012

Is it possible to build an AC or DC variable-speed generator with a variable field current,

controlled by a signal from a torque sensor connected to the shaft of the generator (i.e., net torque = 0)?

Answers 1 Answer In: Electronics By: [ Grey Star Level] Apr 26, 2012

What are encoder and the decoder?

What are the uses of these two devices? Also, write about how it works with circuit diagram.

Answers 1 Answer In: Electronics By: [ Grey Star Level] Apr 26, 2012

Is it possible to reverse the order of a Variable Frequency Drive?

Ex: I want to be able to create 120v power from a variable speed engine, with at least 6kw of power.

Answers 1 Answer In: Electronics By: [ Grey Star Level] Apr 26, 2012

Electronics Interview questions

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