A circuit to verify Ohm's law uses ammeter and voltmeter in series or parallel connected correctly to the resistor. In the circuit: 1) Ammeter is always connected in series and voltmeter in parallel. 2) Both, ammeter and voltmeter must be connected in series. 3) Both ammeter and voltmeter must be connected in parallel. 4) The ammeter is always used in parallel and voltmeter in series.

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A circuit to verify Ohm's law uses ammeter and voltmeter in series or parallel connected correctly to the resistor. In the circuit:

 

1) Ammeter is always connected in series and voltmeter in parallel.

2) Both, ammeter and voltmeter must be connected in series.

3) Both ammeter and voltmeter must be connected in parallel.

4) The ammeter is always used in parallel and voltmeter in series.

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