Q.

Given below are statements:
Statement I: An AC circuit undergoes electrical resonance if it contains either a capacitor or an inductor.
Statement II: An AC circuit containing a pure capacitor or a pure inductor consumes high power due to its non-zero power factor.
In the light of above statements, choose the correct answer from the options given below:

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a

Both statement I and Statement II are true

b

Statement I is true but statement II is false

c

Both statement I and Statement II are false

d

Statement I is false but statement II is true

answer is C.

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Detailed Solution

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An AC circuit undergoes electrical resonance if it contains both a capacitor and an inductor.

An AC circuit containing a pure capacitor or a pure inductor, the current and voltage are at a phase difference of 90o. Hence the power consumption will be zero.

hence, both statement I and Statement II are false.

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