A coil of resistance 82 and inductance 0.5 H is connected to 110 V d.c. supply. Find (1) rachange of current at the instant of closing the switch (ii) final steady value of current (iii) time constof the circuit

We have an coil of resistance and inductance with, Resistance (R) = 8 Ω Inductance (L) = 0.5 H…

A coil of resistance 82 and inductance 0.5 H is connected to 110 V d.c. supply. Find (i) rate change of current at the instant of closing the switch (ii) final steady value of current (iii) time consta of the circuit

A coil of resistance 82 and inductance 0.5 H is connected to 110 V d.c. supply. Find (i) rate change of current at the instant of closing the switch (ii) final steady value of current (iii) time consta of the circuit

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter18: Resistive-inductive Parallel Circuits

Section: Chapter Questions

Problem 1PA: Incandescent lighting of 500 W is connected in parallel with an inductive load. A clamp-on ammeter...

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Concept explainers

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.

Question

A coil of resistance 82 and inductance 0.5 H is connected to 110 V d.c. supply. Find (1) ra
change of current at the instant of closing the switch (ii) final steady value of current (iii) time const
of the circuit

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