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