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Subject: r=v/i
Replies: 3 Views: 640
portiap 19.09.11 - 09:24am
wat r d differences btw current nd potential difference nd their respective functions *
fatzak 7.10.11 - 10:18pm
Current is the amount of charge that passes through some point in a circuit per time whiles potential energy amount of energy per unit charge needed to move a charged *
fatzak 7.10.11 - 10:28pm
an electric filament bulb rated 100W operate on 240V supply calculate the resistance of the filament in the bulb *
fatzak 23.10.11 - 10:32am
soln.
power(P)=100W
voltage(V)=240V
resistance(R)=?
P=V*V/R
R=V*V/P
R=240*240/100
R=576ohms *
