Choose the correct name of meter which has more number of shunt and series multiplier resistances. O a. Ammeter O b. Voltmeter O c. Wattmeter O d. None of the above

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Q: A single-phase 120 v consisting of R = 10 absorbed by the load.

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A: 1) Voltmeter has ideally infinite resistance so that it cannot draw any current and do not create a…

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A:

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Q: What is multimeter

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Q: Please answer the question I want more information about Digital wattmeter

A: A wattmeter is a tool, used to measure the electric power supply in watts.  Digital wattmeters…

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A: given sensitivity

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Q: If the ammeter in no.1 is to be used to measure the current through a circuit composed of a 24-V DC…

A:

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Q: (ii) State two (2) effects of voltage unbalance in low voltage (LV) of distribution system.

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Q: Please I want full information about digital wattmeter

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A:

Q: 6) What happens to the reading of the ammeter if you reverse the connections? The voltmeter?

A: The fallowing are the solutions for the given questions

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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.