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A conductor PQ , with PQ=r , moves with ...

A conductor `PQ` , with `PQ=r` , moves with a velocity `v` in a uniform magnetic field of induced `B` . The emf induced in the rod is

A

`(vec(v)xxvec(B)).vec(r)`

B

`vec(v).(vec(r)xxvec(B))`

C

`vec(B).(vec(r)xxvec(v))`

D

`|vec(r)xx(vec(v)xxvec(B))|`

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A
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CP SINGH-ELECTROMAGNETIC INDUCTION-EXERCISES
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  8. The two ends of a horizontal conducting rod of length l are joined to ...

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  9. A player with 3 meter long iron rod runs toward east with a speed of ...

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  10. The magnitude of the earth's magnetic field at the north pole is B(0) ...

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  11. A wire of length 10cm translates in a direction making an angle of 60^...

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  13. A metallic square loop ABCD is moving in its own plane with velocity v...

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  14. A conducting square loop of side l and resistance R moves in its plane...

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

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

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

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

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  19. Find the total heat produced in the loop of the previous problem durin...

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  20. A rectangular frame of wire abcd has dimensions 1mxx 0.5m and a total ...

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