A) \[\frac{2B\omega {{\ell }^{2}}}{2}\]
B) \[\frac{3B\omega {{\ell }^{2}}}{2}\]
C) \[\frac{4B\omega {{\ell }^{2}}}{2}\]
D) \[\frac{5B\omega {{\ell }^{2}}}{2}\]
Correct Answer: D
Solution :
\[\int{\left( \vec{v}\times \vec{B} \right)}.\overrightarrow{d\ell }=\int\limits_{2\ell }^{3\ell }{x\omega Bdx}\] \[V=\frac{5B\omega {{\ell }^{2}}}{2}\]You need to login to perform this action.
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