Ag Power Web Enhanced Course Materials

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Voltmeter

A Voltmeter is:

• Used in a closed circuit
• Used to measure voltage drop
• Connected in parallel to a circuit according to polarity. Keeping the lead to the most positive side of the circuit.
• The sum of voltage drop equals the voltage source

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The diagram illustrates meter usage - click on the small ammeter and voltmeter to see an example of correct readings.

Also see: Ammeter and Ohmmeter