ISRO Electronics & Communication (ECE) 2009 - Question 9

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Topic: Electronics Engineering

An inductor of inductance 0.1 H, carrying current of 6 Amps will store energy of

  • A. 6 Joules
  • B. 36 Joules
  • C. 1.8 Joules
  • D. 3.6 Joules

Answer: C. 1.8 Joules

Explanation: $E=\frac{1}{2}LI^{2}=\frac{1}{2}\times0.1\times36 = 1.8$ Joules

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