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The self inductance of a solenoid that h...

The self inductance of a solenoid that has a cross-sectional area of `1 cm^(2)`, a length of 10 cm and 1000 turns of wire is

A

0.86 mH

B

1.06 mH

C

1.26 mH

D

1.46 mH

Text Solution

Verified by Experts

The correct Answer is:
C
`L = (mu_0 N^2 A)/(l) = ((4 pi xx 10^(-7) H/m) (1000)^2 (10^(-4) m^2) )/((0.10 m))`
` = 1.26 xx 10^(-3) H = 1.26 mH`
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MTG GUIDE-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS-NEET CAFE TOPICWISE PRATICE QUESTIONS (SELF AND MUTUAL INDUCTANCE)
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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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