# Two Electric Bulbs P and Q Have Their Resistances in the Ratio of 1 : 2. They Are Connected in Series Across a Battery. Find the Ratio of the Power Dissipation in These Bulbs - Physics

Two electric bulbs P and Q have their resistances in the ratio of 1 : 2. They are connected in series across a battery. Find the ratio of the power dissipation in these bulbs

#### Solution

For series combination, power dissipated by a bulb is directly proportional to its resistance.

Thus,

P_1/P_2 = R_1/R_2 = 1/2

Concept: Combination of Resistors - Series and Parallel
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