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A LAMP RATED 100W AT 200V IS CONNECTED TO THE MAINS ELECTRIC SUPPLY1.WHAT AMOUNT OF CURRENT IS DRAWN FROM THE SUPPLY LINE IF THE VOLTAGE IS 220V?2.WHAT IS IT’S RESISTANCE

Abel Philip Thomas , 7 Years ago
Grade 10
anser 1 Answers
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Last Activity: 7 Years ago

Voltage x Current=Power220 x I= 100I=0.454V=IR220=0.454 x RR=484.8 OhmsHere, the voltage is assumed to be constant.

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