A) \[\frac{{{i}_{1}}+{{i}_{2}}}{\sqrt{2}}\]
B) \[\frac{{{i}_{1}}-{{i}_{2}}}{\sqrt{2}}\]
C) \[\sqrt{\left( \frac{i_{1}^{2}+i_{2}^{2}}{2} \right)}\]
D) \[\sqrt{\left( \frac{i_{1}^{2}-i_{2}^{2}}{2} \right)}\]
Correct Answer: C
Solution :
The root mean square value of current is given by \[{{i}_{rms}}=\sqrt{\frac{i_{1}^{2}+i_{2}^{2}}{2}}\]
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