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| Q.35 | A circular coil of 50 turns and radius 10 cm carrying a current of 5.0 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.0 T. The field lines make an angle of 90° with the normal of the coil. Calculate the magnitude of the counter torque that must be applied to prevent the coil from turning? | |
| Ans | A. 6.32 Nm | |
| B. 3.13 Nm | ||
| C. 7.85 Nm | ||
| D. 2.83 Nm |
Correct Ans Provided: C
