A battery produces a current in a piece of wire. What is the resistance of the wire?
There's not enough information to determine the resistance of the wire
Consider a circuit connected to a battery that has a resistance of . How many moles of charge pass through this circuit within a 30s period?
battery produces a 
current in a piece of wire. What is the resistance of the wire?
battery that has a resistance of 
. How many moles of charge pass through this circuit within a 30s period?