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In the figure magnetic energy stored in ...

In the figure magnetic energy stored in the coil is

A

zero

B

infinite

C

`25` joules

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
C
`i=(V)/(R )=(10)/(52)=5A`
`U=(1)/(2)Li^(2)=(1)/(2)xx2xx25=25J`
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Knowledge Check

  • Magnetic field energy stored in a coil is

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