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Saturday, May 19, 2012

How to create a wattmeter


Question: What type of basic meters can be configured as a wattmeter?

Answer:

A wattmeter measures power. Since power is the product of voltage and current, if we have a voltmeter and an ammeter available, these basic meters can be configured to measure power. The ammeter will be connected in series to the circuit element while the voltmeter is connected in parallel to the circuit element.

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