A) 1.26 V
B) 2.52 V
C) 5.24 V
D) 25.2 V
Correct Answer: B
Solution :
Given: Length of conductor \[(l)=0.4\,m;\] Speed = 7 m/s and magnetic field \[(B)=0.9\,Wb/{{m}^{2}}\]. We know that induced e.m.f. (V) \[=Blv\,\cos \theta =0.9\times 0.4\times 7\times \cos 0{}^\circ =2.52\,V.\]
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