WorksheetsIGCSE Electricity test revision
Total questions: 18
Worksheet time: 12mins
What happens to an LDR in bright light
Resistance remains constant
Resistance increase
Resistance decreases
Resistance is unchanged
10C of charge flows in a wire every 2 seconds. Calculate the current in the wire.
5 Ohms
5 Amps
0.2 Volts
0.2 Amps
Use the graph to find the current and calculate the resistance of this conductor when the voltage is 4V? Ignore the mA and just use A.
2
4
1
0.5
Which graph represents a diode?
A
B
C
D
Which graph represents a Filament bulb?
A
B
C
D
Which graph represents a fixed resistor OR an LDR?
A
B
C
D
Longer wires have _______ resistance than shorter wires.
more
less
the same
What happens to a Thermistor in on a cold day
Resistance remains constant
Resistance increase
Resistance decreases
Resistance is unchanged
If a cell provides 12 V to a circuit and 4 Coulombs of charge flows. How much energy is being provided by the cell?
3 J
0.25 J
48 J
16 J
Calculate the voltage of the 4 Ohm resistor in the circuit and use this answer to find the voltage of the across the heater.
4.8 V and 7.2 V
3 V and 9 V
6 V and 6 V
3.2 V and 9.8 V
