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two lamps one rated 100w at 220v and other 60w at 220v are connected in parallel to electric main supply . what current is drawn from the line if the supply voltage is 220v ?​

Answer» <html><body><p>tion:<a href="https://interviewquestions.tuteehub.com/tag/power-2475" style="font-weight:bold;" target="_blank" title="Click to know more about POWER">POWER</a> = <a href="https://interviewquestions.tuteehub.com/tag/p-588962" style="font-weight:bold;" target="_blank" title="Click to know more about P">P</a> = 100 WVoltage = V = 220vResistance = RP = V²/R100 = 220 ×220/RR  = 220 × 220/100     = 484 Ω==========================Power = P = 60 WVoltage = V = 220vResistance = RP = V²/R60 = 220 × 220/RR = 220× 220/60    = 806.7 Ω=========================As the <a href="https://interviewquestions.tuteehub.com/tag/resistors-1186562" style="font-weight:bold;" target="_blank" title="Click to know more about RESISTORS">RESISTORS</a> are <a href="https://interviewquestions.tuteehub.com/tag/connected-929389" style="font-weight:bold;" target="_blank" title="Click to know more about CONNECTED">CONNECTED</a> in parallel , total <a href="https://interviewquestions.tuteehub.com/tag/resistance-1186351" style="font-weight:bold;" target="_blank" title="Click to know more about RESISTANCE">RESISTANCE</a> = 1/R1/R = 1/484 + 1/806.7      =  806.7 + 484/484×806.7      = 1290.7/390442.8R = 390442.8/ 1290.7 = 302.5 ohms      Total resistance = 302.5 ΩI = currentV = IR220 = I × 302.5I = 220/302.5   = 0.73 AThe current drawn is 0.73 ARead more on Brainly.in - brainly.in/question/1295223#readmore</p></body></html>


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