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In the circuit shown, the AC voltage source supplies an rms voltage of 157 V at frequency f. The circuit has R = 96 %u03A9, XL = 215 %u03A9, and XC =99 %u03A9.
1) Find the impedence of the circuit.
2) Find the rms current flowing in the circuit.
3) Find the phase angle in degrees between the current in the circuit and the voltage supplied by the AC source.
4) At the instant the voltage across the generator is at its maximum value, what is the magnitude of the current in the circuit?
An oil-filled capacitor has square parallel plates 26{\rm cm} on a side, separated by 0.47{\rm mm}. Find the dielectric constant of the oil
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