In the circuit shown in figure the heat produced in the \( 5 \Omega \) resistor due to a current...

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In the circuit shown in figure the heat produced in the \( 5 \Omega \) resistor due to a current flowing in it is 10 calories per second. The heat produced in the \( 4 \Omega \) resistor is
(a) \( 1 \mathrm{cal} \mathrm{s}^{-1} \)
(b) \( 2 \mathrm{cal} \mathrm{s}^{-1} \)
(c) \( 3 \mathrm{cal} \mathrm{s}^{-1} \)
(d) \( 4 \mathrm{cal} \mathrm{s}^{-1} \)
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