please solve this question fast friends its urgent my board exam is tomorrow of science
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it may help u...dear
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V=220V
P=10W
I=5A
R=?
P=V sq./R
10=220 sq./R
R=220*220/10
=4840 OHM
Rp= V/I
=220/5
=44 OHM
Rp = R/n
n = R / Rp
=4840 / 44
= 110 lamps
P.S. I COULDNT WRITE SQ. PROPERLY
HOPE THS HELPSS....!!!
P=10W
I=5A
R=?
P=V sq./R
10=220 sq./R
R=220*220/10
=4840 OHM
Rp= V/I
=220/5
=44 OHM
Rp = R/n
n = R / Rp
=4840 / 44
= 110 lamps
P.S. I COULDNT WRITE SQ. PROPERLY
HOPE THS HELPSS....!!!
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