Answers

2015-01-05T22:23:25+08:00
I = V
    R

I = 220  = 0.055 mA
   4000
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2015-01-06T02:48:15+08:00
HERE  R=4000  OHMS,VOLTAGE=220V  CURRENT=?   V/I=R  I=V/R=220/4000=0.055A
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