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Date May 2014 Marks available 1 Reference code 14M.1.SL.TZ1.16
Level Standard level Paper Paper 1 Time zone Time zone 1
Command term Question number 16 Adapted from N/A

Question

Each of the resistors in the arrangements below has resistance R. Each arrangement is connected, in turn, to a power supply of constant emf and negligible internal resistance. In which arrangement is the current in the power supply greatest?

Markscheme

C

Examiners report

This was a simple question yet a good number of candidates opted for A, showing perhaps that they had not read the question carefully (and were answering the question: In which arrangement is the resistance greatest?)

Syllabus sections

Core » Topic 5: Electricity and magnetism » 5.2 – Heating effect of electric currents
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