Question

in an electric circuit that containing resistance key and a battery where will you connect the voltmeter to Verify Ohm's law write the statement of Ohm's Law

Answer 1

a. According to Ohm’s law, the current flowing through a conductor is directly proportional to the potential difference applied across the ends of the conductor, provided the physical condition remains the same.

Mathematically,V=IR

Where, R is the proportionality constant known as resistance of the conductor The SI unit of resistance is ohm.

a. A battery is connected to a fixed resistance R with a rheostat and a key K.Ammeter A measures the current in the circuit and potential difference across the resistor is measured by the voltmeter V.

At a particular setting of rheostat, we note the reading of ammeter and voltmeter. The total resistance in the circuit changes due to which the readings of ammeter and voltmeter also change.