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problem sum

Asked by sweetynam 18th February 2009, 4:28 PM
Answered by Expert
Answer:

Let the resistance of electric iron connected may be R.

We have R=R1||R2||R3

1/R= 1/100+1/50+1/500= (5+10+1)/500

R=31.25 ohms

Current through it,I=V/R=220/31.25=7.04 A

Answered by Expert 20th February 2009, 5:41 PM
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