How can you measure the voltage across the battery?
Put the leads of the voltmeter on either side of the battery while the circuit is connected and current is flowing
Put the leads of the voltmeter on either side of a resistive element while the circuit is connected and current is flowing
Use the leads of the voltmeter to complete a circuit so that the current goes through the voltmeter
Put the leads of the voltmeter on either side of the battery while the circuit is not connected
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