1. For a circuit with the following given: E = 50V, R = 10 ohms and C = 4(10)-4 farad. Assume that when the switch is closed (at t = 0), the charge on the capacitor is 0.015 coulomb. Find the initial current in the circuit and the current at t > 0.

1. For a circuit with the following given: E = 50V, R = 10 ohms and C = 4(10)-4 farad. Assume that when the switch is closed (at t = 0), the charge on the capacitor is 0.015 coulomb. Find the initial current in the circuit and the current at t > 0.

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 2PA: You are a journeyman electrician working in an industrial plant. Your task is to connect an inductor...

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Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.

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1. For a circuit with the following given: E = 50V, R = 10 ohms and
C = 4(10)-4 farad. Assume that when the switch is closed (at t = 0),
the charge on the capacitor is 0.015 coulomb. Find the initial
current in the circuit and the current at t > 0.

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