An automobile battery supplies a current of 10A to the starter. It has a resistance of 1.25 Q. What is the voltage delivered by the battery O a. 125 volts O b. 1.25volts Oc. None of the above O d. 12.5Volts

An automobile battery supplies a current of 10A to the starter. It has a resistance of 1.25 Q. What is the voltage delivered by the battery O a. 125 volts O b. 1.25volts Oc. None of the above O d. 12.5Volts

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter29: Service-entrance Calculations

Section: Chapter Questions

Problem 13R: Read the meter shown. Last months reading was 22,796. How many kilowatt-hours of electricity were...

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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

An automobile battery supplies a current of 10A to the starter. It has a resistance of 1.25 Q. What is
the voltage delivered by the battery
O a. 125 volts
O b. 1.25volts
Oc. None of the above
O d. 12.5Volts

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