Term

Definition
the amount of charge that moves past a pount per unit time
i=dQ/dt 


Term
The current is "0" in a conductor when no potiential difference is applied becasue 

Definition
for every electron with a given velocity there is another with a velocity of equal magnitude and opp direction 


Term
if the potiential difference across a resistor is doubled
ΔV=iR 

Definition
then only the current is doubled 


Term
a current of .05 ampere exsist in a 60ohm lamp. the applied potiential difference is: 

Definition


Term
Four 20Ω resistors are connected in parallel and the combination is connected to a 20V emf device. the current in the device is: 

Definition


Term
A battery with an emf of 12V and an internal resistance of 1 Ω is used to charge a battery with an emf of 10V and an internal resistance of 1Ω. The current in the circuit is: 

Definition


Term
A 120V power line is proected by a 15A fuse. what is the maximum number of 120V, 500W light bulbs than can be operated at full brightness from this line? 

Definition


Term
A 2Ω resistor and a 4Ω resistor are connected in parallel at a 6V battery. The rate of energy dissipated by the 2Ω resistor is: 

Definition

