Questions
A22O volt,7000 watt bulb is connected across a 110 volt mains supply. The power consumed will be
detailed solution
Correct option is D
R=V2P=(220)21000ΩNow P=V2R=(110)2(220)2/1000=(110)2×1000(220)2= 250 WTalk 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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