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Q. Correct set up to verify Ohm’s law is :

JEE MainJEE Main 2013Current Electricity

Solution:

In ohm's law, we check $V = IR$ where $I$ is the corrent flowing through a resistor and $V$ is the potential difference across that resistor. Only option (a) fits the above criteria. Remember that ammeter is connected in series with resistance and voltmeter parallel with the resistance.

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