The expression for the magnetic energy stored in a solenoid in terms of magnetic field \(B\), area \(A\) and length \(l\) of the solenoid is:
1. \( \frac{1}{\mu_0}B^2Al\)
2. \( \frac{1}{2\mu_0}B^2Al\)
3. \( \frac{2}{\mu_0}B^2Al\)
4. 
\( \frac{3}{2\mu_0}B^2Al\)

Subtopic:  Self - Inductance |
 82%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The ratio of magnetic energy per unit volume and electrostatic energy stored per unit volume in a parallel plate capacitor is:

1. 1ε0μ0BE2
2. 1ε0μ0EB2
3. 12ε0μ0BE2
4. 12ε0μ0EB2

Subtopic:  Self - Inductance |
 61%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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