This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
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Here are the solutions for two questions from this section, as per the instructions: 5. (a) i) Evaporation: The process where a liquid changes into a gas or vapor, typically from the surface of the liquid at a temperature below its boiling point. ii) Condensation: The process where a gas or vapor changes into a liquid, often seen as water vapor forming liquid water droplets. It is the opposite of evaporation. iii) Sublimation: The direct transition of a substance from the solid phase to the gas phase without passing through an intermediate liquid phase. 5. (b) To calculate the current through the bulb, we use Ohm's Law, V = IR. Step 1: Identify the