answer this please..........
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40 watt,220volt
P=V*I
40=220*I
I=40/220
I=0.81=0.9 approx
V=I*R
220=0.9*R
R=220/0.9
R=244.44Its is resistance of one
P=V*I
25=220*I
I=25/220
I=0.113
V=I*R
220=0.113*R
R=220/0.113
R=1946.90
their is your answer
P=V*I
40=220*I
I=40/220
I=0.81=0.9 approx
V=I*R
220=0.9*R
R=220/0.9
R=244.44Its is resistance of one
P=V*I
25=220*I
I=25/220
I=0.113
V=I*R
220=0.113*R
R=220/0.113
R=1946.90
their is your answer
nikhildhariwal27:
bro justification?????
why is it so??? i want that??
that i dont know
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