Moving Charges and Magnetism
A worksheet covering the fundamentals of magnetism produced by moving charges, magnetic forces, and the laws of Biot-Savart and Ampere. Total: 40 marks.
Section A — Fill in the Blanks [20 Marks]
Complete the following statements with the correct word or phrase.
In 1820, Danish physicist ________ discovered that a current in a straight wire caused a deflection in a nearby magnetic compass needle.
Oersted's experiments led to the conclusion that moving charges or currents produce a ________ in the surrounding space.
The laws of electricity and magnetism were unified and formulated by James Maxwell in the year ________.
Iron filings sprinkled around a straight current-carrying wire arrange themselves in ________ with the wire as the centre.
James Maxwell's unification of electricity and magnetism led him to realise that light consists of ________.
Section B — Multiple Choice Questions [20 Marks]
Choose the single best answer for each question.