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SSC JE 2017: Electromagnetic Theory Rankers Quiz 1

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Question 1

If the Number of turns or a coil is increased its inductance………..

Question 2

Two charges 4μC and 7 mC are placed 4.5 cm apart. What is the electric potential energy of the system?

Question 3

A metallic wire cuts magnetic flux of Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image106.pngWb in Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image107.png.The magnitude of e.m.f. induced is

Question 4

If the co-efficient of coupling between two coils is increased, mutual inductance between the coils………..

Question 5

If the relative permittivity of the medium increases, the electric intensity at a point due to a given charge

Question 6

The charge on one plate of a 3μF capacitor is 0.12 mC. The energy stored in the capacitor is

Question 7

The magnetic flux linked with a single-turn coil is given by the equation:Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image126.png. The induced e.m.f. in the coil at t = 4 second.

Question 8

The electric potential V is given as a function of distance x (metres) by;
Description: Description: Description: 5_Electrostatics-final_files\image131.png
Value of electric field intensity at x = 2 m is

Question 9

The time constant of the circuit shown in Fig. when the switch is closed………..
Description: Description: E:\Gate\SSC-JE Electrical - Part 1\9_Electromagnetic-Induction-final_files\image032.png

Question 10

A coil of wire of radius r has 600 turns and a self-inductance of 108 mH. Self-inductance of a similar coil of 500 turns will be
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