Answer the questions about the oscilloscope:3.It is possible to use the CRD for measuring thecurrent?4.If you know that the value of the root mean square ofthe a.c and d.c voltages across any element is equal to :V = v (1 - e Ro)

The measurement devices are used to measure electrical quantities. The true value and the measured…

Answered: 3.It is possible to use the CRD for…

Engineering

Electrical Engineering

3.It is possible to use the CRD for measuring the current?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter9: Measuring Instruments

Section: Chapter Questions

Problem 13RQ: 13. A waveform shown on the display of an oscilloscope completes one cycle in 50 . What is the...

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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.

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