What will be the stored energy by a 100 mH inductor when 1 A current is flowing through it?

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SSC JE Electrical 07 Jun 2024 Shift 3 Official Paper - 1
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  1. 0.001 J
  2. 0.01 J
  3. 0.05 J
  4. 0.005 J

Answer (Detailed Solution Below)

Option 3 : 0.05 J
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Detailed Solution

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Concept

The energy stored in an inductor is given by:

\(E={1\over 2}LI^2\)

where, E = Energy

L = Inductance

I = Current

Calculation

Given, L = 100 mH

I = 1 Amp 

\(E={1\over 2}\times 100\times 10^{-3}\times {}1^2 \)

= 0.05 J 

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