Question

@7
If
a resistance connected with 220 volt source and current is 8 amp Find current if source becomes 50 volt
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Answer 1

Answer:

let the resistance be R

voltage=220V

current(i) is 8 amp

V=iR

220=8R

220/8=R

27.5=R

....if voltage becomes 50

V=iR

50=i27.5

50÷27.5=i

1.81 amere