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A coil of 1,000 turns is wound on a core. A current of 1 A flowing through the coil creates a core flux 1 m Wb. The energy stored in the magnetic field is | |
A. | 0.25 J. [Wrong Answer] |
B. | 0.5 J. [Correct Answer] |
C. | 1 J. [Wrong Answer] |
D. | 2 J. [Wrong Answer] |