Use Ohm's law to determine the potential difference across the 3 Ω resistor in the circuit shown in the…

Use Ohm's law to determine the potential difference across the 3 Ω resistor in the circuit shown in the following diagram when key is closed : Figure

Solution

RS = R1 + R2 + R3 = 1 + 2 + 3 = 6 Ω I = V/R = 2V / 6Ω = 1/3 A V = IR = 1/3 A × 3(Ω) = 1 V

Asked in: CBSE

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