The energy stored in the magnetic field at a solenoid 30 cm long and 3 – McqOptions

MCQOPTIONS

1.	The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying a current at 10 A, is __________.
A.	0.015 Joules
B.	0.15 Joules
C.	0.5 Joules
D.	1.15 Joules
Answer» C. 0.5 Joules

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