A) 6 A
B) 2 A
C) 3.46 A
D) 0.66 A
Correct Answer: C
Solution :
Heat produced by\[AC=3\,\,\,\times \]Heat produced by\[DC\] \[\therefore \] \[i_{rms}^{2}Rt=3\times {{i}^{2}}Rt\] \[\Rightarrow \] \[i_{rms}^{2}=3\times {{2}^{2}}\] \[{{i}_{rms}}=2\sqrt{3}=3.46A\]You need to login to perform this action.
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