A box and a capacitor C are in series across an AC source of w-2 rad s-1- The power factor of the box is 1-2 and that of the circuit is 1- Find the impedance of the box-

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Byju's Answer

Standard XI

Physics

Power Factor

A box and a c...

Question

A box and a capacitor C are in series across an AC source of $w = 2 r a d s^{- 1}$ . The power factor of the box is $\frac{1}{\sqrt{2}}$ and that of the circuit is 1. Find the impedance of the box.

\frac{1}{C}

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\frac{2}{C}

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\frac{\sqrt{2}}{C}

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\frac{1}{\sqrt{2} C}

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Solution

The correct option is D $\frac{1}{\sqrt{2} C}$

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A box and a capacitor C are in series across an AC source of w=2 rad s−1. The power factor of the box is 1√2 and that of the circuit is 1. Find the impedance of the box.

The correct option is D 1√2C

A box and a capacitor C are in series across an AC source of $w = 2 r a d s^{- 1}$ . The power factor of the box is $\frac{1}{\sqrt{2}}$ and that of the circuit is 1. Find the impedance of the box.

The correct option is D $\frac{1}{\sqrt{2} C}$