Electro Magnetic Induction And Alternating Currents Question 39

Question: In a series resonant circuit, the ac voltage across resistance R, inductance L and capacitance C are 5 V, 10 V and 10 V respectively. The ac voltage applied to the circuit will be [KCET 1994]

Options:

A) 20 V

B) 10 V

C) 5 V

D) 25 V

Show Answer

Answer:

Correct Answer: C

Solution:

$ V=\sqrt{V_{R}^{2}+{{(V_{L}-V_{C})}^{2}}}=\sqrt{{{(5)}^{2}}+{{(10-10)}^{2}}}=5Volt $



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