Q. 39

Expert-verifiedFound in: Page 925

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

A series RLC circuit with a resistor dissipates when attached to a power line. What is the power factor?

The power factor of RLC circuit is .

We are given that the resistor , dissipating power and the voltage .

We have to find out the power factor of the RLC circuit.

Now, using the formula,

let this be equation 1

where P is power, V is voltage , R is resistor and is power factor.

Now put the values of all variables in equation 1,

We get

On rearranging,

We get,

On solving,

The power factor of RLC circuit is .

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