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A uniform magnetic field exista in reign...

A uniform magnetic field exista in reign given by . A rod of length 5m placed along y-axis is moved along x-axis with constant speed 1m/sec. The induced emf in the rod will be

A

zero

B

`25 v`

C

`20 v`

D

`15 v`

Text Solution

Verified by Experts

The correct Answer is:
B

`epsilon=vecB(vecVxxvecl)`
`=(3hati+4hatj+5hatk)[1hatixx5hatj]`
`epsilon=25 "volt"`
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