A) \[{{I}_{o}}\]
B) \[\frac{{{I}_{o}}}{2}\]
C) \[\frac{{{I}_{o}}}{4}\]
D) \[\frac{{{I}_{o}}}{8}\]
Correct Answer: C
Solution :
According to Mains law \[I={{I}_{0}}{{\cos }^{2}}\theta \] \[={{I}_{0}}(co{{s}^{2}}{{60}^{o}})\] \[={{I}_{0}}\times {{\left( \frac{1}{2} \right)}^{2}}\] \[=\frac{{{I}_{0}}}{4}\]You need to login to perform this action.
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