Question

State ohm’s law. Write its mathematical expression. Draw a circuit diagram to verifyohm’s law. Draw V-I graph for ohm’s law verification.

Answer 1

Ohm’s law states that if the temperature remains constant then the current passing through the conductor will be directly proportional to the potential difference that is applied across the circuit.

Hence, V is directly proportional to I

To remove proportionality we use Resistance, R

Which will make,

V = I * R

If we increase the voltage then the current will increase as well.

Answer 2

Ohm's law

Explanation:

• Ohm’s law states that the current passing through the conductor will be directly proportional to the potential difference, if the temperature remains constant throughput the circuit.

• Mathematically, Ohm's law is given by :

$V\propto I$

$V=IR$

R is resistance off the circuit. It is measured in Ohms.

The attached figure shows the circuit diagram to verify ohm’s law. The second figure is the  V-I graph for ohm’s law verification.

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Ohm's law

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