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Question 17N.1.SL.TZ0.17

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.1.SL.TZ0.17
Level SL Paper 1 Time zone TZ0
Command term Question number 17 Adapted from N/A
17.
[Maximum mark: 1]
17N.1.SL.TZ0.17

In the circuit shown, the fixed resistor has a value of 3 Ω and the variable resistor can be varied between 0 Ω and 9 Ω.

The power supply has an emf of 12 V and negligible internal resistance. What is the difference between the maximum and minimum values of voltage V across the 3 Ω resistor?

A. 3 V

B. 6 V

C. 9 V

D. 12 V

[1]

Markscheme

C

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