A) E increases
B) \[h=\frac{{{u}^{2}}}{2g}=\frac{49\times 49}{2\times 9.8}=\frac{245}{2}m\] increases
C) Q remains same
D) Q decreases
Correct Answer: D
Solution :
Induced emf \[{{C}_{p}}\] or \[{{C}_{v}}\] and \[{{C}_{p}}{{C}_{v}}=R\] \[\frac{\Delta p}{\Delta V/V},\] \[x=\frac{3D\lambda }{d}\] Induced charge \[=\frac{3\times 2\times 5000\times {{10}^{-10}}}{0.2\times {{10}^{-3}}}\] \[=\frac{6\times 5\times {{10}^{-7}}}{2\times {{10}^{-4}}}\] If speed is doubled, then dt decrease, hence, E, I increases, but q will not increase.
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