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Cambridge IGCSE. 2025. Physics (0625). May/June - Paper 2 (22) · Multiple Choice (Extended) - Question 14

Cambridge IGCSE · Paper 2 (22) · Multiple Choice (Extended)

Question 14

The diagram shows the equipment used in an experiment to determine the specific heat capacity of a metal.

In the experiment, a heater is switched on for $t$ s and the increase in temperature $\Delta\theta$ of a block of the metal is measured in °C.

Question illustration

Which equation gives the specific heat capacity of the metal?
  1. $c = \dfrac{P}{t m \Delta\theta}$
  2. $c = \dfrac{Pt}{m \Delta\theta}$
  3. $c = \dfrac{t m \Delta\theta}{P}$
  4. $c = \dfrac{m \Delta\theta}{Pt}$
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