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TSGENCO Practice Quiz 10

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Question 1

For what value of unknown resistance X, the potential difference between points B and D will be zero in the circuit shown in Fig. ?

Question 2

The rms value of current given by i = 10+ 5 cos(628t+30^o) A is

Question 3

The current in a

resistor is

mA. What is the instantaneous value of resistor voltage at

Question 4

The form factor of a sinusoidal wave is………..

Question 5

Under the condition of maximum power transfer, the efficiency is ………………..

Question 6

In a potentiometer experiment, it is found that no current flows through the galvanometer when the terminals of the cell are connected across 125 cm potentiometer wire. On shunting the cell by

resistor, the balancing length is reduced to half. The internal resistance of the cell is

Question 7

In a moving coil galvanometer, the deflection becomes one-half when the galvanometer is shunted by a

resistor. The galvanometer resistance is

Question 8

In Fig., the changing (increasing)magnetic field is passing perpendicular to the plane of the coil and directed into the paper. What is the direction of induced current through the resistor R? $Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image095.png$