DP Physics (last assessment 2024)

Question 18M.1.SL.TZ1.21

Date	May 2018	Marks available	[Maximum mark: 1]	Reference code	18M.1.SL.TZ1.21
Level	SL	Paper	1	Time zone	TZ1
Command term		Question number	21	Adapted from	N/A

21.

[Maximum mark: 1]

18M.1.SL.TZ1.21

Two resistors X and Y are made of uniform cylinders of the same material. X and Y are connected in series. X and Y are of equal length and the diameter of Y is twice the diameter of X.

M18/4/PHYSI/SPM/ENG/TZ1/21

The resistance of Y is R.

What is the resistance of this series combination?

A. $\frac{{5R}}{4}$

B. $\frac{{3R}}{2}$

C. 3R

D. 5R

[1]

Markscheme

Syllabus sections

Core

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

Core » Topic 5: Electricity and magnetism

Question 18M.1.SL.TZ1.21

Select a Test

Syllabus sections

Confirm action