Alternative to Practical: use the original printed figures and show graph/measurement working. The printed 2(b)(i) table entry carries no separate mark; it is retained as context for the graph.
(a)A student makes a Fig. 1.1 electromagnet with a 1.5 V cell, variable resistor, ammeter and soft-iron core. Suggest two apparatus changes that increase the current.
Answer guidance
Suggest More than one answer may be acceptable, so long as it is consistent with the physics.
[2 marks]
(b)Fig. 1.2 shows how many paperclips stay attached at currents 1 A, 3 A and 2 A. Draw a table showing these results, with headings and the current unit.
Answer guidance
Draw Accuracy is being marked. Use the figure and be precise about position and labels.
[3 marks]
5054/41/M/J/16Cambridge O Level Physics 5054 · May/June 2016 · Paper 4 variant 1 · Question 1