about is rated at 220 V -100 watt. what is the resistance? five words such bulbs burns for 5 hours , what is the electrical energy consumed? calculate the cost if the rate is Rs. 2.50 per unit?
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Answer:
6.25
Explanation:
R=v square/P=220 sq/100=484
5bulbs - - - power=500w=0.5kW
ENERGY= P*T=. 5*5=2.5KWH=2.5 UNITS
COST=2.5*2.5=6.25RS
kusum752000:
thnx
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