Physics · Magnetic Effects of Current and Magnetism
A solenoid having cross-sectional area A and length 'l' is filled with a material having relative permeability 2. The magnetic energy stored in the solenoid is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B2Al4μ0✓
- 2B2Al
- 3B2Al2μ0
- 4B2Alμ0
Correct answer
B2Al4μ0
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