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The energy stored in an inductor of self...

The energy stored in an inductor of self-inductance L henry carrying a current of I ampere is

A

`1/2 L^2 I`

B

`1/2 LI^2`

C

`LI^2`

D

`L^2 I`

Text Solution

Verified by Experts

The correct Answer is:
B

`1/2 LI^2`
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MTG GUIDE-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS-NEET CAFE TOPICWISE PRATICE QUESTIONS (SELF AND MUTUAL INDUCTANCE)
  1. If 'N' is the number of turns in a coil, the value of self inductance ...

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  2. A circular coil with a cross-sectional area of 4 cm^2has 10 turns. It ...

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  3. A coil having an inductance of 0.5 H carries a current which is unifor...

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  4. When the current change from +2A to 2A in 0.05 second, an e.m.f. of 8V...

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  5. The self inductance of a solenoid that has a cross-sectional area of 1...

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  6. In an inductor of self-inductance L=2 mH, current changes with time ac...

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  7. By a change of current from 5 A to 10 A in 0.1 s, the self induced em...

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  8. Consider a long solenoid of radius R which has n turns per unit length...

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  9. Find the energy stored in the magnetic field if current of 5A produces...

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  10. Two conducting circular loops of radii R1 and R2 are placed in the sa...

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  11. A small square loop of wire of side l is placed inside a large square ...

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  12. The inductance between A and D as shown in figure is

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  13. A solenoid of lenght 30 cm with 10 turns per centimetre and area of cr...

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  14. The equivalent inductance of two inductors is 2.4 H when connected in ...

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  15. A 50 Hz alternating current of peak value 1 ampere flows through the p...

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  16. Two solenoids of equal number of turns have their lengths and the radi...

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  17. The energy stored in an inductor of self-inductance L henry carrying a...

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  18. The self inductance of a long solenoid cannot be increased by

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  19. The equivalent inductance between A and B is

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