Physics · Magnetic Effects of Current
A solenoid of 1000 turns per metre has a core with relative permeability 500. Insulated windings of the solenoid carry an electric current of 5 A. The magnetic flux density produced by the solenoid is: (Permeability of free space = 4π × 10-7 H m-1)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110-4π T
- 2π5 T
- 32 × 10-3 T
- 4π T✓
Correct answer
π T
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