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1. |
A solenoid has 4000 turns over it with inductance of 0.126 H. The energy stored in the magnetic field, when a current of 2 A flows in the solenoid will be |
A. | 0.252 J |
B. | 8000 J |
C. | 0.504 J |
D. | 1008 J |
Answer» B. 8000 J | |