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The two ends of a horizontal conducting ...

The two ends of a horizontal conducting rod of length `l` are joined to a voltmeter. The whole arrangement moves with a horizontal velocity `v` , the direction of motion being perpendicular to the rod. The vertical component of the earth's magnetic field is `B` . The voltmeter reading is

A

`Blv` only if the rod moves eastward

B

`Blv` only if the rod moves westward

C

`Blv` only if the rod moves in any way

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
NA
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  8. A metallic square loop ABCD is moving in its own plane with velocity v...

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  10. A right angled triangle abc, made from a metallic wire, moves at a uni...

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  11. A square loop ABCD of edge a moves to the right with a velocity v para...

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  12. In the previous question, in position I of the loop (i) The induced ...

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  13. Shown a square loop of side 5 cm beign moved towards right at a consta...

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  16. shows a conducting loop being pulled out of a magnetic field with a sp...

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  17. Consider the situation shown in . The wire AB is slid on the fixed rai...

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  18. A vertical ring of radius r and resistance on R falls vertically. It i...

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  19. A vertical conduction ring of radius R falls vertically in a horizonta...

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  20. A thin semicircular conducting ring of radius R is falling with its pl...

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