Posted by Aj on .
A 63 Ω resistor is connected to a 4.7 V battery
a) When the switch is closed, calculate the current I. Answer in units of A.
A 7.4 Ω resistor is connected to a 4.7 V battery When the switch is closed, calculate the current I.
A 69 Ω resistor is connected to a 4.7 V battery When the switch is closed, calculate the current I.

Physics 
drwls,
In each case the current is I = V/R
V = 4.7 Volts R is the given resistance
Get to know Ohm's law. Do the numbers.