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Question 18M.1.SL.TZ2.22

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.1.SL.TZ2.22
Level SL Paper 1 Time zone TZ2
Command term Question number 22 Adapted from N/A
22.
[Maximum mark: 1]
18M.1.SL.TZ2.22

A cell has an emf of 4.0 V and an internal resistance of 2.0 Ω. The ideal voltmeter reads 3.2 V.

                                                          M18/4/PHYSI/SPM/ENG/TZ2/22

What is the resistance of R?

A.     0.8 Ω

B.     2.0 Ω

C.     4.0 Ω

D.     8.0 Ω

[1]

Markscheme

D

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