A circuit having a resistance of 12Ω, an inductance of 0.15 H and a capacitance of 100μf in series is connected across a 100V, 50Hz supply. Calculate the impedance, current, the phase difference between the current and supply voltage. 2. Two circuits with impedances of Z1 = 10 + j15Ω and Z2 = 6 – j8Ω are connected in parallel. If the supply current is 20A, what is the power dissipated in each branch?

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter20: Capacitance In Ac Circuits
Section: Chapter Questions
Problem 5PP: Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 -...
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1 A circuit having a resistance of 12Ω, an inductance of 0.15 H and a capacitance of 100μf in series is connected
across a 100V, 50Hz supply. Calculate the impedance, current, the phase difference between the current and
supply voltage.

2. Two circuits with impedances of Z1 = 10 + j15Ω and Z2 = 6 – j8Ω are connected in parallel. If the supply current is 20A, what is the power dissipated in each branch?

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