.
An imbalance of charges in the wire.
More potential energy at one end of the wire than the other.
A potential difference across its ends.
Pressure.
Current.
Resistance.
All of these
None of these
Is electrically charged.
May be electrically charged.
Is never electrically charged.
6 joules.
6 amperes.
6 ohms.
6 watts.
6 newtons.
Charge flows in a closed circuit.
Voltage flows through an open or a closed circuit.
Resistance flows through an open circuit.
Current is the primary cause of voltage.
By being bumped by other electrons.
By colliding with molecules.
By interacting with an established electric field.
Because the wires are so thin.
None of these
Decreases.
Remains unchanged.
Increases.
Decreases.
Remains unchanged.
Increases.
Negatively.
Positively.
Not at all.
Increases via the inverse-square law.
Changes magnitude and direction with time.
Is the same everywhere.
Is non-existent.
None of these
1 A.
10 A.
12 A.
120 A.
None of these
5 V
10 V
15 V
20 V
More than 20 V
2 ohms
5 ohms
10 ohms
20 ohms
More than 20 ohms
A dry cell, wet cell or battery.
The back emf of motors.
The power station generator.
The electrical circuit itself.
None of these
The power company.
Electrical outlet.
Atoms in the light bulb filament.
The wire leading to the lamp.
The source voltage.
Woman's body.
Ground.
Power plant.
Hairdryer.
Electric field in the air.
A fraction of a centimeter per second.
Many centimeters per second.
The speed of a sound wave.
The speed of light.
None of these
The speed of sound waves in metal.
The speed of light.
1000 cm/s.
Less than 1 cm/s.
Dependent on how quickly each electron bumps into the next electron.
Battery.
Generator.
Both of these
Neither of these
1/6 watts.
2 watts.
60 watts.
20 watts.
240 watts.
More than the resistance of either lamp.
Less than the resistance of either lamp.
None of these
More than the resistance of either lamp.
Less than the resistance of either lamp.
None of these
Parallel.
Perpendicular.
Series.
Haste.
Parallel.
Perpendicular.
Series.
None of these
Different electrons; the ones that flow in the circuit to your lamp.
The same electrons.
The positive charges that flow in the filament.
Wait!
Here's an interesting quiz for you.