A) \[2\pi \times {{10}^{-2}}V\]
B) \[\pi \times {{10}^{-2}}V\]
C) \[\frac{\pi }{2}\times {{10}^{-2}}V\]
D) None of these
Correct Answer: B
Solution :
Net induced emf due to disc is \[\rho =\frac{1}{2}B\omega {{l}^{2}}=\frac{1}{2}0.1\times 2\pi \times 10\times 0.1\times 0.1\] \[=\pi \times {{10}^{-2}}V\]
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