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Date November 2009 Marks available 1 Reference code 09N.1.SL.TZ0.18
Level Standard level Paper Paper 1 Time zone Time zone 0
Command term Question number 18 Adapted from N/A

Question

In the circuits below the cells have the same emf and zero internal resistance. The resistors all have the same resistance.

N09/4/PHYSI/SPM/ENG/TZ0/18

Which of the following gives the ratio \(\frac{{{\text{power dissipated in X}}}}{{{\text{power dissipated in Y}}}}\)?

A.     \(\frac{1}{4}\)

B.     \(\frac{1}{2}\)

C.     2

D.     4

Markscheme

D

Examiners report

[N/A]

Syllabus sections

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