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physics numerical

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a parallel combination of two resistors of 2ohm each has third resistor of 4ohm in series with the combination.if a battery of 10V with negligible internal resistance be applies across them,find the p.d. across the resistor.

  • physics numerical - ,

    Two 2 ohm resistors in parallel act like a single 1 ohm resistor in series. Total circuit resistance, seen by the battery, is
    4 + 1 = 5 ohms.

    80% of the p.d. of the circuit is across the 4 ohm resistor.

    80% of 10V = ?

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