Physics · Magnetism
If the magnetic field inside a solenoid is B, then the magnetic energy stored in it per unit volume expressed in terms of the speed of light in vacuum (c) and permittivity of free space (ε0) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ε0c2B24
- 22ε0c2B2
- 3ε0c2B22✓
- 4ε0c2B2
Correct answer
ε0c2B22
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