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A player with 3 meter long iron rod run...

A player with 3 meter long iron rod runs toward east with a speed of `30km//hr` . Horizontal component of eath's magnetic field is `4xx10^(-5)Wb//m^(2)` . If he runs with the rod in horizontal and vertical position, then the potential difference induced between the two ends of the rod in the two cases will be

A

Zero in vertical case and `1xx10^(-3)`V in the horizontal case.

B

`1xx10^(-3)V` vertical case and zero in the horizontal case .

C

Zero in both the case .

D

`1xx10^(-3)`V in both the case

Text Solution

Verified by Experts

The correct Answer is:
b
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MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-2 (Objective problems (Analytical questions))
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  3. A player with 3 meter long iron rod runs toward east with a speed of ...

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  4. A 10-meter wire is kept in east-west direction. It is falling down wit...

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  5. A conducting rod of length 2l is rotating with constant angular speed ...

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  6. A conducting rod of 1m length rotating with a frequency of 50 rev/sec....

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  7. A semicircle loop PQ of radius 'R' is moved with velocity 'v' in trans...

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  8. A car moves up on a plane road. The induced emf in the axle connecting...

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  9. If an artificial satellite with metal surface is moving in the equator...

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  10. Which statement ios not correct :-

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  11. A metal aeroplane having a distance of 50 meter between the tips of it...

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  12. The loop shown moves with a velocity v in a uniform magnetic field of ...

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  13. A conducting wheel in which there are four rods of lengthe l as shown ...

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  14. A conducting rod rotates with a constant angular velocity 'omega' abou...

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  15. Two long parallel metallic wires with a resistance 'R' from a horizont...

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  16. A bar magnet is dropped between a current carrying coil. What would be...

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  17. A closed coil consists of 500 turns has area 4 cm^2 and a resistance o...

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  18. A coil of area 500cm^(2) and having 1000 turns is held perpendicular t...

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  19. A current time curve is shown in the following diagrame . This type of...

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  20. The armature coil of dynamo is in motion . The generated induced emf v...

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