B: micrometer
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A student is investigating resistance using the circuit shown. The resistance of R is approximately 5 Ω. What are the…
A micrometer is used to measure the diameter of a uniform wire. What is done to obtain an accurate answer?
The diagram shows a clinical thermometer. How does the diagram show that this is a sensitive thermometer?
A rod of metal is heated at one end. Which statement best describes the conduction of heat through the metal?
Many gas appliances such as ovens and heaters use a small flame to ignite the main burner. To make sure that the smal…
A hot liquid is allowed to cool. The graph shows the cooling curve. In which part of the curve is latent heat released?