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SSC JE 2019-20 Technical Quiz 90

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Question 1

The impurity added to extrinsic semiconductors is of the order of

Question 2

Figure represents a

Question 3

At what condition synchronous motor can be used as a synchronous capacitor

Question 4

The function of the commutator in a DC machine is ___________.

Question 5

How will you test the supply in plug point

Question 6

Low frequency supply is obtained by

Question 7

What will be the deflection (in rad) of moving iron instrument, when the inductance of the moving iron instrument is (20+4θ) μH, where θ is the deflection in radian from zero position and the deflection current is 5 A? Assuming spring constant k = 10 × 10-6 Nm/rad.

Question 8

Which of the given losses are directly proportional to square of speed

Question 9

Speed control of a universal motor is achieved by

Question 10

In a two-value capacitor motor, the capacitor used for running purposes is
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Jun 1ESE & GATE EE