Physics · Moving Charges and Magnetism
A 50 cm long wire carrying a current of 500 mA is bent to form a rectangular coil of breadth 5 cm. When the rectangular coil is placed with its plane parallel to a uniform magnetic field of 1.5 Tesla (so that the field is perpendicular to its long side), the maximum torque experienced by the coil is ______.
- 13.75 × 10-3 N m
- 27.50 × 10-3 N m✓
- 333.75 × 10-3 N m
- 418.75 × 10-3 N m
Correct answer
7.50 × 10-3 N m
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