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Date November 2017 Marks available 1 Reference code 17N.1.SL.TZ0.10
Level Standard level Paper Paper 1 Time zone 0 - no time zone
Command term Question number 10 Adapted from N/A

Question

A 1.0 kW heater supplies energy to a liquid of mass 0.50 kg. The temperature of the liquid changes by 80 K in a time of 200 s. The specific heat capacity of the liquid is 4.0 kJ kg–1 K–1. What is the average power lost by the liquid?

A. 0

B. 200 W

C. 800 W

D. 1600 W

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 3: Thermal physics » 3.1 – Thermal concepts
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