A) 50 V
B) 70 V
C) 130 V
D) 10 V
Correct Answer: A
Solution :
In LCR series circuit, \[V=\sqrt{V_{R}^{2}+{{({{V}_{L}}-{{V}_{C}})}^{2}}}\] \[=\sqrt{{{(40)}^{2}}+{{(60-30)}^{2}}}\] \[=\sqrt{1600+900}=\sqrt{2500}=50\,\text{volt}\]You need to login to perform this action.
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