A capacitor, a resistor and an inductor are joined in series with an ac source. As the frequency of the source is slightly increased from a very low value, the reactance
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a
Of the inductor increases
b
Of the resistor increases
c
Of the capacitor increases
d
Of the circuit increases
answer is A.
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Detailed Solution
Inductive reactance =xL=ωL=2πfL. If f increases XL also increases but capacitive reactance = XC =1ωc=12πfcIf f increases XCdecreases