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1. |
Determine the magnitude of magnetic field (in mT) at the center of a 50 cm long solenoid, if the solenoid has 300 turns and carrying a current of 5 A. |
A. | 2.61 |
B. | 2.66 |
C. | 4.64 |
D. | 3.77 |
Answer» E. | |