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13 questions
The flow of charge in a circuit is known as the .....
voltage
potential difference
amps
current
The charge carrying particles which flow in an electric circuit are called.....
ions
electrons
protons
neutrons
The unit which resistance is measured is .....
Volts
Amps
Coulombs
Ohms
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
High resistance in a component, such as a lamp, in a circuit will cause it too...
not glow as bright
heat up
cool down
Potential difference is another name for .......
Current
Resistance
Voltage
Charge
Adding more resistors or lamps in series in a circuit will cause the total resistance to ......
go down
go up
Adding more resistors or lamps in parallel with each other will cause the total resistance to ......
go down
go up
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
The resistance of a thermistor is affected by....
Light
Current
Temperature
Charge
The resistance of an LDR is affected by....
Light
Current
Temperature
Charge
If you increase the length of a wire then the resistance will.....
decrease
increase
stay the same
If you increase the width of a wire then the resistance will.....
decrease
increase
stay the same
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