A 25V, 2.5kHz supply is connected to a network comprising a variable capacitor in parallel with a coil of resistance 250 ohms and inductance 80 mH. Determine, for the condition when the supply current is a minimum the capacitance of the capacitor the dynamic impedance the supply current

A 25V, 2.5kHz supply is connected to a network comprising a variable capacitor in parallel with a coil of resistance 250 ohms and inductance 80 mH. Determine, for the condition when the supply current is a minimum the capacitance of the capacitor the dynamic impedance the supply current

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 2PP: Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the...

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Question

the capacitance of the capacitor
the dynamic impedance
the supply current
the upper half-power frequency
the value of the circuit impedance at the -3dB frequencies

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