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Cambridge IGCSE Physics practice

Paper 3 structured question: Electrical energy and electrical power

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3

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2

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Electrical energy and electrical power

Exam-style question

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Paper 3Theory (Core)2 marks

Consider a simple circuit with a battery and a light bulb.

Description

Simple Circuit Description

In this circuit, a battery provides electrical energy to a light bulb. When the circuit is complete, the bulb lights up, indicating that energy is being transferred from the battery to the bulb.

  1. a

    State what happens to the electrical energy from the battery when the circuit is complete.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Electrical energy and electrical power

Paper 3Theory (Core)1 marks

Description

Electric Circuit Overview

An electric circuit consists of a power source, such as a battery or mains supply, connected to components like resistors and bulbs. The circuit allows electrical energy to flow and be utilized by these components.

  1. a

    State the purpose of an electric circuit.

    Aim for approximately 1 distinct marking point.

    [1]