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- 1. Multiple Choice
The flow of charge in a circuit is known as the .....
voltage
potential difference
amps
current
- 2. Multiple Choice
The charge carrying particles which flow in an electric circuit are called.....
ions
electrons
protons
neutrons
- 3. Multiple Choice
The unit which resistance is measured is .....
Volts
Amps
Coulombs
Ohms
- 4. Multiple Choice
If the resistance is increased in a circuit this will....
speed up the flow of electricity
slow down the flow of electricity
increase the voltage in the circuit
decrease the voltage in the circuit
- 5. Multiple Choice
High resistance in a component, such as a lamp, in a circuit will cause it too...
not glow as bright
heat up
cool down
- 6. Multiple Choice
Potential difference is another name for .......
Current
Resistance
Voltage
Charge
- 7. Multiple Choice
Adding more resistors or lamps in series in a circuit will cause the total resistance to ......
go down
go up
- 8. Multiple Choice
Adding more resistors or lamps in parallel with each other will cause the total resistance to ......
go down
go up
- 9. Multiple Choice
The current in a circuit is measured as 5A using an ammeter. A voltmeter connected across a lamp measures a potential difference of 10 V. Use the resistance equation to calculate the resistance of the bulb.
0.5 ohms
2 ohms
50 ohms
2 Coulombs
- 10. Multiple Choice
The resistance of a thermistor is affected by....
Light
Current
Temperature
Charge
- 11. Multiple Choice
The resistance of an LDR is affected by....
Light
Current
Temperature
Charge
- 12. Multiple Choice
If you increase the length of a wire then the resistance will.....
decrease
increase
stay the same
- 13. Multiple Choice
If you increase the width of a wire then the resistance will.....
decrease
increase
stay the same
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