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Date November 2011 Marks available 1 Reference code 11N.1.SL.TZO.16
Level Standard level Paper Paper 1 Time zone no time zone
Command term Question number 16 Adapted from N/A

Question

A cell is connected in series with a 2.0Ω resistor and a switch. The voltmeter is connected across the cell and reads 12V when the switch is open and 8.0V when the switch is closed.

What is the internal resistance of the cell?

A. 1.0 Ω
B. 2.0 Ω
C. 3.0 Ω
D. 4.0 Ω

Markscheme

A

Examiners report

[N/A]

Syllabus sections

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