Course home

10.1 Circuits, charge and current

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48

Question 45

The table shows a charge counter reading at different times. The counter measures the total charge that has passed through a wire since it was switched on.

Time in $s\mathrm{s}$	Counter reading in $C\mathrm{C}$
10	18
25	48
45	68

What is the ratio of the mean current from 10 to 25 s to the mean current from 25 to 45 s?

[1]

$1 : 2$

$3 : 2$

$4 : 3$

$2 : 1$

Markscheme

10.1 Circuits, charge and current Questions

GCSE
Physics
10.1 Circuits, charge and current

94 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current, covering 10.1.1 Structure of the atom, 10.1.2 Circuit diagrams and symbols, 10.1.3 Series and parallel circuits, 10.1.4 Potential difference and voltmeters, 10.1.5 Energy transferred, charge and potential difference, and 10.1.6 Current, ammeters and charge flow. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank