DP Physics (first assessment 2025)

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Question 23M.1A.SL.TZ1.17

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ1.17
Level SL Paper 1A Time zone TZ1
Command term Question number 17 Adapted from N/A
17.
[Maximum mark: 1]
23M.1A.SL.TZ1.17

Three lamps (X, Y and Z) are connected as shown in the circuit. The emf of the cell is 20 V. The internal resistance of the cell is negligible. The power dissipated by X, Y and Z is 10 W, 20 W and 20 W respectively.

What is the voltage across Lamp X and Lamp Y?

 

  Lamp X Lamp Y
A. 16 V 4 V
B. 4 V 16 V
C. 4 V 8 V
D. 16 V 16 V

 

[1]

Markscheme

B

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