17. A circuit has an apparent power of 400OVA and a reactive power of 250VAR. Find the power factor of the circuit. 0.625 0.780 0.530 0.848

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Q: A series circuit contains a 20 ohm resistor anda inductor with an inductance of 0.093H if the…

A: R=20 ohm L=0.093 H f=60Hz Xl=2πfL=2×π×60×0.093Xl=35.06 ohmXl≃35 ohm    Answer

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Q: Find the magnitude and phase of the complex number -3+4j

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A: Since you have posted the multiple questions so we are supposed to answer the 1st one.

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Q: For a sinusoidal input of 20 Vpeak to the given circuit, what is the peak value of the output…

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Q: What is sin (20) d0?

A: Here i have solved it.

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Q: If the apparent power is equal to the reactive power, the power factor is ?

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Z parameter

The Z-parameters that are the impedance parameters of a two-port network are defined by expressing the two-port voltages V1 and V2 in terms of two-port currents I1 and I2. The Z-parameters are calculated by open circuiting one of the two ports at a time henceforth they are called open-circuit impedance parameters.