Electro Magnetic Induction And Alternating Currents Question 277

Question: In an inductor of inductance L = 100 mH, a current of $ I=10A $ is flowing. The energy stored in the inductor is [Orissa PMT 2004]

Options:

A) 5 J

B) 10 J

C) 100 J

D) 1000 J

Show Answer

Answer:

Correct Answer: A

Solution:

$ U=\frac{1}{2}Li^{2}=\frac{1}{2}\times 100\times {{10}^{-3}}\times {{(10)}^{2}}=5J $



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