Question

Name the unit used in selling electrical energy to consumers

Answer 1

1) current drawn by 100w lamp

we know that

power=votage*current

so current=power/votage

current=100w/220v=0.454 A

2) current drawn by 40w lamp

current=40w/220v=0.181 A

in parallel connection

total current drawn=sum of current in each branch

so

current dranw=0.454+0.181=0.635 A

Answer 2

Explanation:

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