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Learning objective

Recognize that in a parallel circuit, the total current from the source exceeds the current flowing through each individual branch.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE PhysicsElectricity and magnetismCore content

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Quick explanation

Recognize that in a parallel circuit, the total current from the source exceeds the current flowing through each individual branch

  • This point belongs to Series and parallel circuits, especially Series and parallel circuits outcomes.
  • You need to be able to recognize that in a parallel circuit, the total current from the source exceeds the current flowing through each individual branch.
  • The key ideas to know are State and Know.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

StateKnow

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This objective helps connect Series and parallel circuits outcomes to exam-style questions, flashcards, and revision notes for Series and parallel circuits.

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Paper 3 structured question: Series and parallel circuits

Paper 3Theory (Core)1 marks

Description

Parallel Circuit Analysis

In a parallel circuit with three branches, the currents are measured as follows: Branch 1 has a current of 2A, Branch 2 has a current of 3A, and Branch 3 has a current of 1A. Calculate the total current supplied by the source.

  1. a

    State the total current supplied by the source.

    Aim for approximately 1 distinct marking point.

    [1]
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