A) \[1.44\]
B) \[0.72\]
C) \[0.4\]
D) \[0.2\]
Correct Answer: C
Solution :
Induced emf, \[e=Bvl\] V = velocity of train \[=72\times \frac{5}{18}\,=20\,m{{s}^{-1}}\] \[e=2\times {{10}^{-5}}\,\times 20\,\times 1=2\,\times {{10}^{-5}}\,\times 20\] \[=40\times {{10}^{-5}}\,V=40\,\times {{10}^{-2}}\,mV=0.4\,mV\]You need to login to perform this action.
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