CIE iGCSE - Circuits

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1-7. What are the missing words in this paragraph?

The flow of electricity round a circuit is the .
The 'kick' given by the battery is the .
Tiny are actually flowing through the wires, and in metallic
conductors these are .
These actually flow because they are
charges.
However on a diagram the 'conventional' current is still drawn flowing .

8.Which of these answers gives the correct way of connecting each meter?

 
Ammeter
Voltmeter
A)
Series
Series
B)
Parallel
Parallel
C)
Series
Parallel
D)
Parallel
Series

A student is experimenting with identical bulbs and 6V cells.

The bulb in this circuit has a current of 2A passing through it when connected to a single 6V cell as shown.

circuit1

What are the currents in the following circuits using the same bulbs and cells?

 
9. circuit2
10. circuit3

11. Which of these circuits will draw the largest current from a cell? Assume all bulbs are identical.

  • A) 2 bulbs in parallel
  • B) 2 bulbs in series
  • C) 3 bulbs in series
  • D) 1 bulb on its own

12. What is the correct name for the unit for measuring resistance?

  • A) amp
  • B) volt
  • C) coulomb
  • D) ohm

The table below shows measurements taken on a selection of resistors. What are the missing values?

 
Voltage (V)
Current (A)
Resistance (Ω)
13.
12
4
14.
60
2000
15.
0.5
60