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A straight metal wire crosses a magnetic...

A straight metal wire crosses a magnetic field of flux 4 m Wb in a time 0.4 s. Find the magnitude of the emf induced in the wire.

Text Solution

Verified by Experts

Given : A metal wire crosses a magnetic field of flus
`phi=mwb(or)4xx10^(-3)wb`
Time t = 0.4 s
To find :
The magnetic of induced emf e = ?
Formula :
`e=(dphi)/(dt)=(4xx10^(-3))/(0.4)=10^(-2)(or)10mv.`
e = mV.
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