Resistances $R_1$ and $R_2$ are joined in parallel and a current is passed so that the amount of heat liberated is $H_1$ and $H_2$ respectively. The ratio $\frac{H_1}{H_2}$ has the value:
- A$\frac{R_2}{R_1}$
- B$\frac{R_1}{R_2}$
- C$\frac{R_1^2}{R_2^2}$
- D$\frac{R_2^2}{R_1^2}$
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