Two electric bulbs have 60 W and 100 W rating at 220 V
then ratio of their resistances will be....
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Answer:
use formula P= V^2/R then solve
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P = V 2 / R. P is the electric power in watt (W). V is the voltage in volts (V). I is the current in amps (A). R is the resistance in ohms (Ω).
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