A) 5 ms
B) 7.2 ms
C) 3.3 ms
D) 2.2 ms
Correct Answer: C
Solution :
\[\Delta \phi =\frac{\pi }{3}=(100\pi )\Delta t\] \[\Rightarrow \] \[\Delta t=\frac{{{10}^{3}}}{300}ms=3.3ms.\]You need to login to perform this action.
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