a bulb of 220v consume 1 unit in 25 hour determine power & resistance of bulb
Answers
Answered by
0
V=220v
E=1000wh
T=25h
E=p*t
1000=p*25
P=40w
P=v^2/R
40=220*220/R
R= 220*220/40
=1210ohms
E=1000wh
T=25h
E=p*t
1000=p*25
P=40w
P=v^2/R
40=220*220/R
R= 220*220/40
=1210ohms
Similar questions