WorksheetsElectricity revision
Total questions: 20
Worksheet time: 10mins
What is this component?
LED
Resistor
Diode
LR
What is this component?
Variable Resistor
Thermistor
Fuse
Resistor
This component measures the (a) in a circuit.
What is the unit for charge?
Amps
Coulombs
Watts
Volts
What component measures potential difference?
Ammeter
Voltmeter
LED
LDR
a _______ is designed to melt and break the circuit if the current gets too high.
Fixed resistor
Diode
Cell
Fuse
This is an example of a _________ circuit.
open
closed
parallel
series
What device does this graph represent?
Fixed resistor
Thermistor
Diode
Filament bulb
What device does this graph represent?
Fixed resistor
Thermistor
Diode
Filament Bulb
What device does this graph represent?
Fixed Resistor
Thermistor
Diode
Filament Bulb
What letter do we use to represent CURRENT in an equation?
(a)
What is the unit for potential difference?
(a)
In a mains plug, the neutral wire is the colour (a)
What is the unit for power?
Volts
Amps
Watts
Joules
An object or material that electrons can flow through easily is called a(n):
conductor
insulator
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
10 V
25 V
2.5 V
0.4 V
If the voltage stays the same, but the resistance goes up, the current will....
increase (speed up)
decrease (slow down)
stay the same
Resistance is...
What 'slows down' electrons
What 'speeds up' electrons
Moving electrons
What 'pushes' electrons
What type of current comes from a battery?
Alternating Current (AC)
Direct Current (DC)
What is the power of a 20V bulb with 5A through it?
100 W
100 V
6.3 W
6.3 A
