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Physics
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Please answer this question ?Class - 10th Chapter - electricityPlease don't spam and don't give wrong answer ​

answers: 1
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Answer:

The overall current needed = 9A.

The voltage is 12V

Hence by Ohm’s Law V=IR

The resistance for the entire circuit = 12/9Ω = 4/3Ω = R

R1 and R2 are in parallel. Hence, R= \frac{(r1r2)}{r1 + r2}

After putting their values we get r2 = 2Ω

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