Q.

An inductor, a resistor and a capacitor 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

The reactance of inductor,XL=ωL The reactance of inductorXC=1ωC whereω=2πn&n is the frequency of A.C source.
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