logo

Exam-style practice

Magnetic effect of a current answer explanations

Review worked answers and explanations for Magnetic effect of a current. Aligned to Cambridge IGCSE Physics.

Answer explanations

Question 1 of 10

Review the answer support, then move sideways through the set.

Paper 3 structured question: Magnetic effect of a current

Paper 3Theory (Core)1 marks

Description

Magnetic Field Around a Wire

A straight wire carries an electric current. The magnetic field around the wire can be visualized using iron filings or a magnetic compass.

  1. a

    State the direction of the magnetic field around the wire when the current flows from positive to negative.

    [1]