MHT CET · Physics · Electromagnetic Induction
The magnetic energy' stored in an inductor of inductance \(5 \mu \mathrm{H}\) carrying a current of 2 A is
- A 10 mJ
- B 5 mJ
- C \(10 \mu \mathrm{~J}\)
- D \(5 \mu \mathrm{~J}\)
Answer & Solution
Correct Answer
(C) \(10 \mu \mathrm{~J}\)
Step-by-step Solution
Detailed explanation
\(\mathrm{U}=\frac{1}{2} \mathrm{LI}^2=\frac{1}{2} \times\left(5 \times 10^{-6}\right) \times 2^2=10 \mu \mathrm{~J}\)
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