WorksheetsOhm's Law
Total questions: 10
Worksheet time: 5mins
A 9V battery is attached to a light bulb. How much electric potential drops across the light bulb?
9 V
4.5 V
0 V
18 V
Which of the following is does not affect a materials electric resistance
length
material
cross-sectional area
Voltage
Which of the following affects the amount of electric current ?
the shape of the electron
amount of time required for a charge to pass through a given area
the direction the charge is traveling
The color of the wire
Based on the graph above, the device is ohmic
True
False
Based on the graph above, the device is ohmic
True
False
The voltage of a circuit is tripled and the resistance stays the same. What will happen to the current?
It will triple
It will stay the same
Decrease by a factor of 1/3
It will increase by a factor of 9
The resistance of a circuit is tripled and the voltage stays the same. What will happen to the current?
It will triple
It will stay the same
Decrease by a factor of 1/3
It will increase by a factor of 9
The voltage of the circuit triples. What will happen to the resistance?
It will triple
It will stay the same
Decrease by a factor of 1/3
It will increase by a factor of 9
The resistance of the circuit triples. What will happen to the voltage?
It will triple
It will stay the same
Decrease by a factor of 1/3
It will increase by a factor of 9
Which will have a greater resistance: A 10 m long wire or a 5 m long wire?
5 m long wire
10 m long wire
They will have the same resistance
not enough information to solve
