A small piece of metal wire is dragged across the gap between the pole pieces of a magnet in 0.5 second. The magnetic flux between the pole pieces is known to be $8 imes 10^{- 4}Wb$. The $emf$ induced in the wire is

Question

A small piece of metal wire is dragged across the gap between the pole pieces of a magnet in 0.5 second. The magnetic flux between the pole pieces is known to be $8 	imes 10^{- 4}Wb$. The $emf$ induced in the wire is

Dr. Abubacker · Accepted Answer

(c) As per Faraday’s Law of electromagnetic induction
$EMF = \frac{change\ in\ flux}{time} = \frac{8 	imes 10^{- 4}Wb}{0.5\ \sec}$
$= 16 	imes 10^{- 4}volt = 1.6\ mV$

Q. A small piece of metal wire is dragged across the gap between the pole pieces of a magnet in 0.5 second. The magnetic flux between the pole pieces is known to be $8 \times 10^{- 4}Wb$. The $emf$ induced in the wire is

Explanation

Reviewed by Dr. Abubacker

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