Q.

For the given figures, choose the correct option : 

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a

At resonance, current in (b) is less than that in (a)

b

The rms current in circuit (b) can never be larger than that in (a)

c

The rms current in circuit (b) can be larger than that in (a)

d

The rms current in figure (a) is always equal to that in figure (b)

answer is A.

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Detailed Solution

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Irms=22040=5.5A

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XL is not equal to XC. So rms current in (b) can never be larger than (a).

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For the given figures, choose the correct option :