If \( R_{1} \) and \( R_{2} \) be the resistance of the filament of 40 \( \mathrm{W} \) and \( 6...

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If \( R_{1} \) and \( R_{2} \) be the resistance of the filament of 40 \( \mathrm{W} \) and \( 60 \mathrm{~W} \) respectively operating at \( 220 \mathrm{~V} \), then
a. \( R_{1} \geq R_{2} \)
b. \( \mathrm{R}_{2}\mathrm{R}_{1} \)
c. \( R_{1}=R_{2} \)
d. \( \mathrm{R}_{1}\mathrm{R}_{2} \)
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