CAPE Physics Unit 1 · 2014 · Paper 1 · Question Q33
Temperatures on the empirical centigrade scale are determined by the formula,
\theta = \frac{x_\theta - x_0}{x_{100} - x_0} \times 100\text{ }^\circ\text{C}
where x is a physical property that varies with temperature. What is x for a thermocouple?
- (A)Length
- (B)Volume
- (C)Internal resistance
- (D)Electromotive force (emf)
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