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NLC Technical Quiz 22

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Question 1

Under commutation in a DC machine gives rise to-

Question 2

The hysteresis loop of a magnetic material has an area 10cm² with the scale given as 1cm = 2AT and 1cm = 25mWb. At 100 Hz, the total hysteresis loss is:

Question 3

Which of the following statement is not true?

Question 4

The h-parameter equivalent circuit of a transistor is valid for

Question 5

In the circuit shown below,

If the switching frequency of the regulator is 25 kHz, then the ripple current of the inductor ΔI is

Question 6

A string of four insulators has a self-capacitance equal to 5 times pin to earth capacitance. The string efficiency is

Question 7

In k-map which code representation is used

Question 8

Find the Thevenin’s resistance across the diode 'D'.

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ESE & GATE EE General

Jul 26ESE & GATE EE