8(c)(ii)2019
DiagramModerate1 mark
Appeared in 10 of the 11 available papers.
Appears almost every year — treat as core
Average per paper it appears in · 95 marks in total
35% of this chapter's 72 questions
33 questions carry a figure — practise drawing them
Showing 22 of 72 matching questions (95 marks).
22 questions
The diagram shows a circuit with the key k open. Calculate:

You have three resistors of values 2 Ω, 3 Ω and 5 Ω. How will you join them so that the total resistance is more than 7 Ω?

A music system draws a current of 400 mA when connected to a 12 V battery.