Answered: If we have a voltmeter, during the…

If we have a voltmeter, during the measurement do we need a voltmeter with high or low input impedance to measure current. How about when we need to measure voltage drop. Please explain. ..

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...

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If we have a voltmeter, during the measurement do we need a voltmeter with high or low input impedance to measure current. How about when we need to measure voltage drop. Please explain.

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