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WorksheetsBWS Physics AQA Electricity - Resistance
Total questions: 20
Worksheet time: 18mins
What is resistance?
The flow of electrons
Electric potential difference
Rate of flow of electrons
The ability to reduce the flow of electrons
Find total resistance and total current in the circuit
60 Ω, 0.4 A
60 Ω, 2.5 A
90 Ω, 2.5 A
60 Ω, 0.4 A
If a battery produces 12.6 V, what would be the current for a 6Ω resistor?
2.1 A
75.6 A
0.5 A
15 A
Where should an ammeter be located to correctly measure the total current and where should a voltmeter be located to correctly measure the voltage supplied by the cell
ammeter at 3 and voltmeter at 4
ammeter at 1 and voltmeter at 4
ammeter at 2 and voltmeter at 3
ammeter at 1 and voltmeter at 2
A light circuit is operating at 75 V. What is the circuit's current if the resistance is 5 Ω?
375 A
50 A
15 A
0.07 A
Resistors R1 and R2, connected in parallel, have an equivalent resistance of 6Ω when connected in the circuit shown below. The resistance of R1 could be
1 Ω
4 Ω
5 Ω
8 Ω
What is the current measured by ammeter A?
0.5 A
2 A
72 A
6 A
What component is this?
Variable resistor
Fuse
Thermistor
Diode
What is the formula for resistance?
IV
V+I
IP
V/I
A wire has a resistance of 20Ω. If another wire of the same material is made twice as long and with twice the cross sectional area what will its resistance be?
20Ω
40Ω
10Ω
5Ω
What component does this graph show?
Diode
Fixed resistor
Filament lamp
Thermistor
What is the total circuit resistance of two 25Ω resistors and three 75Ω resistors connected in series?
100 Ω
200 Ω
275 Ω
175 Ω
Solve for the total resistance of the circuit shown
1.03 X 10 kΩ
1.97 kΩ
1.03 X 103 Ω
1.97 X 10-3 Ω
A wire has a resistance of 30Ω. If another wire of the same material is made 3 times the length what will its resistance be?
30Ω
10Ω
90Ω
33Ω
What device does this graph represent?
Diode
Fixed resistor
Filament lamp
Thermistor
An insulator will produce a smaller current than a conductor when supplied with the same p.d. (voltage) because...
There are more free charge carriers
There is a lower resistance
There are fewer free charge carriers
The insulator will heat up
