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ECE · Q91

Electromagnetic Field Theory

Engineering and GATE · ECE · question 91

Q91

The inductance and energy stored in joules in the magnetic field of the solenoid having length 30 cm and diameter 3 cm and wound with 1000 turns of wire when carrying a current of 10 Amp.

A.
0.003 mH and 0.15 joules
B.
3 mH and 0.15 joules
Answer
C.
8 mH and 0.15 joules
D.
0.003 mH and 0.015 joules

Answer: Option B

Solution

Answer: Option B
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