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A helicopter rises vertically upwards wi...

A helicopter rises vertically upwards with a speed of 100 `m//s`. If the helicopter has a length of 10m and horizontal component of earth's magnetic field is `5 xx 10^(-3)Wb//m^(2)`, then the induced emf between the tip of the nose and the tail of the helicopter is

A

50 V

B

0.5 V

C

5 V

D

25 V

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. A conducting ring of radius ris placed perpendicularly inside a time v...

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  2. Magnetic flux in a circuite containing a coil of resistance 2Omegachan...

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  3. Select correct statement about Lenz's law

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  4. Two different wire loops are concentric and lie in the same plane. The...

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  5. A vertical rod of length l is moved with constant velocity v towards e...

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  6. A helicopter rises vertically upwards with a speed of 100 m//s. If the...

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  7. A conducting rod is rotated about one end in a plane perpendicular to ...

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  8. A force of 10N is required to move a conducting loop through a non-uni...

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  9. Radius ol a circular luop placed in a perpendicular uniform magnetic f...

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  10. A wire of fixed length is wound on a solenoid of length l and radius r...

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  11. The length of thin wire required to manufacture a solenoid of inductan...

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  12. A conducting ring of radius b is placed coaxially in a long solenoid o...

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  13. In what form is the energy stored in an inductor or A coil of inducta...

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  14. Which of the following pairs of coils has zero coupling constant?

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  15. Two coils of self-inductance 2mH and 8 mH are placed so close togethe...

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

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  17. A coil of self-inductance 50 henry is joined to the terminals of a ba...

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