Question

state and explain ohms law ?How will you verify it in the lab​

Answer 1

Answer:

Ohm's law states that the electrical current (I) flowing in an circuit is proportional to the voltage (V) and inversely proportional to the resistance (R). Therefore, if the voltage is increased, the current will increase provided the resistance of the circuit does not change.

To verify Ohm's law, we need to measure voltage across the test resistance RT and current passing through it. The voltage can be measured by connecting high resistance R1 in series with galvanometer. This combination becomes a voltmeter and shall be connected in parallel to RT .

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