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WorksheetsAQA Electricity Trilogy
Total questions: 55
Worksheet time: 5hrs 35mins
Which one is True?
The greater the Resistance the Smaller the Current
The greater the Resistance the Greater the Current
Which one is a Battery?
Which one is a Fuse?
Which one is a Filament bulb?
Which one is a LED?
Which one is a Switch?
Which one is a Resistor?
Which one is a Variable Resistor?
Which one is a Diode?
Which one is a Thermistor?
Which one is the Graph for an Ohmic Conductor?
Which one is the Graph for an Filament Lamp?
Which one is the Graph for an Diode?
Which one is a LDR?
It senses Light. The brighter the light the lower the resistance.
It senses Temperature. The hotter the temperature the lower the resistance.
Which one is a Thermistor?
It senses Light. The brighter the light the lower the resistance.
It senses Temperature. The hotter the temperature the lower the resistance.
Which one is a series circuit?
All components were connected in a line end to end. If one of the components break the whole circuit breaks.
Each component is connected separately. If one is disconnected the others aren't affected.
Which one is a parallel circuit?
All components were connected in a line end to end. If one of the components break the whole circuit breaks.
Each component is connected separately. If one is disconnected the others aren't affected.
Which one is a series circuit?
Potential Difference is Shared
Potential Difference is the same for each component
Which one is a parallel circuit?
Potential Difference is Shared
Potential Difference is the same for each component
Which one is a parallel circuit?
Current is the same everywhere
Current is shared between branches
Which one is a series circuit?
Resistance adds up
Resistors reduce the total resistance
Which one is a series circuit?
Current is the same everywhere
Current is shared between branches
Select all the features of the UK Mains Supply
AC
DC
230 V
50Hz
50 V
Which one is a Live Wire?
Brown. Provides the alternating potential difference
Blue. Completes the circuit and carries away current
Green and Yellow. Only carries current when there is a fault
Which one is a Neutral Wire?
Brown. Provides the alternating potential difference
Blue. Completes the circuit and carries away current
Green and Yellow. Only carries current when there is a fault
Which one is an Earth Wire?
Brown. Provides the alternating potential difference
Blue. Completes the circuit and carries away current
Green and Yellow. Only carries current when there is a fault
Which does the national grid use?
High Potential Difference
High Current
Low Potential Difference
Low Current
Calculate the current in a circuit if a charge of 4 C flows in 20 seconds
0.1 A
0.2 A
0.3 A
0.4 A
In a lightning bolt, a charge of 15 C flows and there is a current of 30,000 A. Calculate the duration of the lightning strike
0.5 s
0.75 s
0.0005 s
15000 s
Calculate the resistance of the resistors in series shown in the diagram.
2 ohms
15 ohms
8 ohms
2.5 ohms
What will the maximum resistance of the circuit shown be?
less than 22 kΩ
More than 22 kΩ
69 kΩ
What is the current in the main branch (Is) of the circuit shown?
6 A
12 A
18 A
A kettle has a power rating of 1.2 kW. The kettle runs on mains electricity at 230 V. Work out the current flowing through the kettle when in use.
0.005 A
0.052 A
5.2 A
What are the units for current?
Amps
Volts
Coulombs
Watts
What is the unit of power?
Amps
Volts
Coulombs
Watts
What is the unit of charge?
Amps
Volts
Coulombs
Watts
What is the unit of potential difference?
Amps
Volts
Coulombs
Watts
This is an example of a ______ circuit
Series
Parallel
Open
Closed
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
1 Ohm
3 Ohms
4 Ohms
12 Ohms
What is the equation that links power, potential difference and current?
Power = potential difference/current
Power = potential difference x current
Power = current/potential difference
Power = 0.5 x potential difference x current^2
The amount of current flowing in a circuit depends on...
Potential difference and resistance
Charge and power
resistance only
potential difference only
potential difference and charge
What is the efficiency of a kettle if it converts 2000 W of power into 400 W of useful thermal energy?
(a)
What is the current if 5400 C of charge pass through per hour?
(a)
What is the resistance of a resistor if it has a potential difference of 12 V across it when a current of 2 A flows?
(a)
How much current needs to flow through a 5 ohm resistor to deliver 20 W of power?
(a)
What is the potential difference of a battery if it delivers 20 W of power with a current of 1.2 A?
(a)
A charge of 5 C passes through a potential difference of 5 V. How much energy was delivered?
(a)
How much energy in MJ is delivered by a 10 kW electric shower in 15 minutes?
(a)
How much energy is needed to melt 1 kg of ice? (latent heat of ice = 334 kJ/kg, specific heat capacity of ice=2 kJ/kg)
2 kJ
668 kJ
0.5 kJ
334 kJ
