Question

Find the voltage of the battery in the circuit above if R1 = 4 ohms, R2 = 4 ohms, R3 = 4 ohms and the current moving through the circuit is 13 A.

Answers

  1. Answer:

    you didn’t say if its a parallel or a series circuit

    Explanation:

    If it’s a series circuit

    V =IR

    v = 13 \times 3(4) \\ v = 13 \times 12\\ v = 156v

    However in parallel

    calculate the Rp which will be

    rp = \frac{1}{4} + \frac{1}{4} + \frac{1}{4} \\ rp = \frac{3}{4}

    so now you can say V=IR

    v = \frac{3}{4} \times 13 \\ v = 9.75v

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