Physics · May / June 2017 · Paper 22 · Question 10

1 greater or twice as large 2 straight line with half the gradient

1 1 / Rt = 1 / R1+1 / R2 in any form e.g. 1 / R=1 / 20+1 / 80 or 16 (Ω) seen 40 Ω 2 (I=)V / R in any form e.g. 6 / 40 0.15 A 3 0.15 × 16 or 0.15 × 24 or 3.6 (V) seen or current split in ratio 1:4, e.g. 0.03 A and 0.12 A seen or clear attempt at potential divider formula 2.4 V

1 work done ÷ charge 2 correct circuit symbol for a cell and positive correct four cells, correct symbol, correctly in series 3 four cells in series and another four in parallel or any other series and parallel arrangement of 8 cells with connections to and from battery