H.W 2 A coil of 15 Q resistance and 0.3 H inductance is connected in parallel with a variable capacitor across a 230 V, 50 Hz supply. Calculate the (i) capacitance of the capacitor for resonance, (ii) effective impedance of the circuit, and (iii) current supplied from the mains. 4

H.W 2 A coil of 15 Q resistance and 0.3 H inductance is connected in parallel with a variable capacitor across a 230 V, 50 Hz supply. Calculate the (i) capacitance of the capacitor for resonance, (ii) effective impedance of the circuit, and (iii) current supplied from the mains. 4

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...

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H.W 2
A coil of 15 2 resistance and 0.3 H inductance is connected in parallel with a variable capacitor
across a 230 V, 50 Hz supply. Calculate the (i) capacitance of the capacitor for resonance, (ii)
effective impedance of the circuit, and (iii) current supplied from the mains.
4

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