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A 10-meter wire is kept in east-west dir...

A 10-meter wire is kept in east-west direction. It is falling down with a speed of `5.0 "meter"//"second"`, perpendicular to the horizontal component of earth's magnetic field of `0.30 x×10^(-4) "weber"//"meter"^(2)`. The momentary potential difference induced between the ends of the wire will be

A

0.15 volt

B

1.5 volt

C

0.15 mili volt

D

1.5 mili volt

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The correct Answer is:
d
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MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-2 (Objective problems (Analytical questions))
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  3. A 10-meter wire is kept in east-west direction. It is falling down wit...

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

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

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

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

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

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  9. Which statement ios not correct :-

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

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

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

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

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

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

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

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

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

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

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  20. A simple electric motor has an armature resistance of 1Omega and runs ...

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