A) B is increased 208 times
B) E is increased 208 times
C) B is increased 14.4 times
D) None of these
Correct Answer: C
Solution :
In the condition of no deflection \[\frac{e}{m}=\frac{{{E}^{2}}}{2V{{B}^{2}}}\Rightarrow \] If m is increased by 208times then B should be increased \[\sqrt{208}=14.4\ \]timesYou need to login to perform this action.
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