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WorksheetsSCS Year 7 Electricity
Total questions: 10
Worksheet time: 5mins
What does this symbol represent?
A variable resistor
A Voltmeter
A Motor
A Light dependent resistor
Which switch or switches must be closed to make the lamps light?
Neither
Switch 1
Switch 2
Both 1 and 2
If lamp 1 is unscrewed from its holder, what will happen to lamp 2?
It will go out
It will get brighter
It will get duller
It will stay the same brightness
If lamp 1 is unscrewed from its holder, what will happen to lamp 2?
It will stay lit
It will go out
It will get dimmer
It will get brighter
What is wrong with this circuit diagram?
There is only one cell
The lamp won't light
The cell is the wrong way around
The ammeter should be connected in series
Which ammeter will take the largest current reading?
They will both be the same
Ammeter 1
Ammeter 2
Ammeters do not read current
What is the reading on voltmeter V1 if the reading on V2 = 9Vand V3 = 3V?
27V
3V
9V
12V
What are the readings on ammeters A1 and A4 if the readings on A2 = 2V and A3 = 2V?
A1 = 2V and A4 = 2V
A1 = 4V and A4 = 2V
A1 = 2V and A4 = 4V
A1 = 4V and A4 = 4V
The ratings for four typical domestic appliance fuses are 3A, 5A, 8A and 13A. Which fuse wires will melt if a current of 9A is passed through them?
3A, 5A, 8A and 13A
3A, 5A and 8A only
3A only
3A and 5A only
What is resistance?
An increase in voltage
Opposition to current
Energy from battery
An increase in current
