Questions
A 100 watt bulb working on 200 volt and a200 watt bulb working on 100 volt have
detailed solution
Correct option is B
R=V2P ⇒R1 = 200 × 200100 = 400 Ω andR2 = 100 × 100200 = 50 ΩMaximum current rating, i=PVSo i1 = 100200 and i2 = 200100 ⇒ i1i2 =14Talk to our academic expert!
Similar Questions
A resistor R is connected across a battery of emf 12 V. It observed that terminal potential differenceis 9 V and the power delivered to resistor is 18 W. Internal resistance of the battery ‘r’ and the resistance R are respectively
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