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Solution


Q.

A wire of length 1 m moving with velocity 8 m/s at right angles to a magnetic field of 2 T. The magnitude of induced emf between the ends of the wire will be ______.     [2023]
1 20 V  
2 16 V  
3 8 V  
4 12 V  

Ans.

(2)

Induced emf across the ends ε=Bvl

⇒ε=2×8×1=16 V