A refrigerator consumes an average $35\, {W}$ power to operate between temperature $-10^{\circ} {C}$ to $25^{\circ} {C}$. If there is no loss of energy then how much average heat per second does it transfer? (in ${J} / {s}$)
JEE MAIN 2021, Medium
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$\frac{{T}_{{L}}}{{T}_{{H}}-{T}_{{L}}}={C} . {O} \cdot {P} .=\frac{\frac{{dH}}{{dt}}}{\frac{{dW}}{{dt}}}$
$\frac{263}{35} \times 35=\frac{{dH}}{{dt}}$
$\frac{{dH}}{{dt}}=263$ $watts$
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