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Calculate the energy stored in an induct...

Calculate the energy stored in an inductor of inductance 50 mH when a current of 2.0 A is passed through it.

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Verified by Experts

The energy stored is `U=(1/2) Li^2 = (1/2)(50X10^(-3 H)(2
0 A)^2 =0`
`10 j`.
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HC VERMA-ELECTROMAGNETIC INDUCTION-EXERCISE
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  3. The flux of magnetic field through a closed conducting loop changes wi...

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  4. (a) the magnetic field in a region varies as shown in . Calculate the ...

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  5. A conducintg circular loop having a redius of 5.0cm, is placed perpe...

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  6. A coducting circular loop of area 1mm^2 is placed coplanarly with a lo...

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  7. A square- shaped copper coil has edges of length 50cm and contains 50 ...

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  8. Suppose the resistance of the coil in the previous problem is 25Omega....

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  9. A conducting loop of area 5.0 cm^2 is placed in a magnetic field which...

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  10. Shows a conducting square loop placed parallel to the pole faces of a ...

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  11. A conducting square loop having edges of length2.0 cm is rotated throu...

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  12. A conducting loop of face area A and resistance R is plaed perpendicul...

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  13. A long slenoid of radius 2 cm has 100 turns/cm and carries a current o...

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  14. Shown a metallic square frame of edga a in a vertical plane. A uniform...

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  15. The north pole of a magnet is brought down along the axis of a horizon...

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  16. A wire loop confined in a plane is rotated in its open plane with some...

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  17. Shown a square loop of side 5 cm beign moved towards right at a consta...

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  18. Find the total heat produced in the loop of the previous problem durin...

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  19. A unifrom magnetic field B exists in a cylindrical region of radius 10...

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  20. Shows a square loop having 100 turns, an area of 2.5 X10^(-3) m^2 and...

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  21. Shown a circular coil of N turns and radius a, connected to a battery...

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