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SSC JE 2017: Electromagnetic Field Theory Rankers Quiz 6

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Question 1

The magnetic flux density in the core in Fig. is

Question 2

A magnetising force of 800 AT/m will produce a flux density of in air.

Question 3

The B-H curve for……. will be a straight line passing through the origin.

Question 4

A 2 cm long coil has 10 turns and carries a current of 750 mA. The magnetizing field of the coil is

Question 5

When a magnet is moved with its N-pole towards a closed coil, the nearer end of the coil acts as

Question 6

Dielectric strength of medium ______.

Question 7

Two capacitors of capacitances Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image003.png and Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image004.png in series will have a total capacitance of

Question 8

When switch Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image230.png in Fig. is closed, the voltage across the capacitor will be 100 V in about
Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image231.png

Question 9

Four metallic plates, each of surface area Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image021.png on one side, are placed at a distance Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image012.png from each other. The plates are connected as shown in Figure. Then capacitance of the system between Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image216.png and Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image217.png is
Description: Description: E:\Gate\SSC-JE Electrical - Part 1\6_Capacitance-final_files\image286.png

Question 10

When a capacitor is charged from a battery,
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May 13ESE & GATE EE