CBSE Class 10 Answered
The circuit consistent of 3 cells of 6 v each a 5 ohm resistance ,8ohn resistance,12 ohm resistance connect in series from the circuit diagram calculate the current flow through the circuit and pd accrose 12 ohm
Asked by prayas4417 | 08 May, 2019, 02:09: PM
Expert Answer
Three cells of 6V each are connectedin circuit.
Total potential difference of the circuit is 18 V.
Three resistances are connected in series.
Thus, the effective resistance of the circuit is,
Rs = R1 + R2 + R3 = 5 + 8 + 12 = 25 Ω
The total current in the circuit is given as,
V = IR
18 = I x (25)
I = 0.72 A
As the resistors are connected in series, the potential difference across each resistor is different while the current through each resistor is same.
Thus, the potential difference across 12 Ω resistor is given by
V =I R
V = 0.72 x (12) = 8.64 V
Thus, the total current in the circuit is 0.72 A and the potential difference across 12 Ω resistor is 8.64 V
Answered by Shiwani Sawant | 08 May, 2019, 05:10: PM
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