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NEET
Exam
NEET
Subject
Physics
Chapter
Electromagnetic Induction

NEET · Physics · Electromagnetic Induction

Obtain the expression for the magnetic energy stored in a solenoid...

Obtain the expression for the magnetic energy stored in a solenoid in terms of magnetic field B, area A and length l of the solenoid.

Options

  1. A1μ0B2Al\frac{1}{{{\mu }_{0}}}{{B}^{2}}Al
  2. B32μ0B2Al\frac{3}{2{{\mu }_{0}}}{{B}^{2}}Al
  3. C12μ0B2Al\frac{1}{2{{\mu }_{0}}}{{B}^{2}}Al
  4. D52μ0B2Al\frac{5}{2{{\mu }_{0}}}{{B}^{2}}Al

Correct answer

C. 12μ0B2Al\frac{1}{2{{\mu }_{0}}}{{B}^{2}}Al

Step-by-step solution

Correct Option is : (C)
12μ0B2Al\frac{1}{2{{\mu }_{0}}}{{B}^{2}}Al
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