A 220 volt, 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be

Question

A 220 volt, 1000 watt bulb is connected across a 110 volt mains supply. The power consumed will be (A) 750 watt (B) 500 watt (C) 250 watt (D) 1000 watt

Tardigrade Admin · Accepted Answer

Pconsumed=(V2/R)=((110)2/(220)2/1000 )=250 watt.

Q. A $220 v o lt, 1000 w a tt$ bulb is connected across a $110 v o lt$ mains supply. The power consumed will be

750 watt

500 watt

250 watt

1000 watt

$P_{co n s u m e d} = \frac{V ^{2}}{R} = \frac{( 110 ) ^{2}}{( 220 ) ^{2} /1000} = 250$ watt.

Q. A 220volt,1000watt bulb is connected across a 110volt mains supply. The power consumed will be

750 watt

500 watt

250 watt

1000 watt

Pconsumed​=RV2​=(220)2/1000(110)2​=250 watt.

Q. A $220 v o lt, 1000 w a tt$ bulb is connected across a $110 v o lt$ mains supply. The power consumed will be

$P_{co n s u m e d} = \frac{V ^{2}}{R} = \frac{( 110 ) ^{2}}{( 220 ) ^{2} /1000} = 250$ watt.