As the frequency of an ac circuit increases, the current first increases and then decreases. What combination of circuit elements is most likely to comprise the circuit ?A. Inductor and capacitorB. Resistor and inductorC. Resistor and capacitorD. Resistor, inductor and capacitor

As the frequency of an ac circuit increases, the current first increas

1.	As the frequency of an ac circuit increases, the current first increases and then decreases. What combination of circuit elements is most likely to comprise the circuit ?A. Inductor and capacitorB. Resistor and inductorC. Resistor and capacitorD. Resistor, inductor and capacitor
Answer» Correct Answer - 1,4 We know that, `I = (V)/(sqrt(R^(2) + (X_(L) - X_(C ))^(2)))` `X_(L) = 2 pi upsilon L` and `X_(C ) = (1)/(2 pi upsilon C)` So with increase in frequency, `R` remains constant, inductive reactance increases and capacitive reactance decreases.

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As the frequency of an ac circuit increases, the current first increases and then decreases. What combination of circuit elements is most likely to comprise the circuit ?A. Inductor and capacitorB. Resistor and inductorC. Resistor and capacitorD. Resistor, inductor and capacitor

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