Physics · Magnetic Effects of Electric Current
An air-filled solenoid having 200 turns per cm carries a current of 2 A. The magnetic field strength in Tesla at the centre of the solenoid will be: (Take μo = 4π × 10-7 T·m/A)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 116 × 10-2
- 216π × 10-3✓
- 38π × 10-3
- 48π × 10-2
Correct answer
16π × 10-3
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