Published on March 31, 2014
Magnets and ElectromagnetsMagnets and Electromagnets
N S Magnetic fieldsMagnetic fields
Attracting and RepellingAttracting and Repelling
N S Magnet: Solenoid:
ElectromagnetsElectromagnets The strength of an electromagnet can be increased by: 1) Increasing the voltage 2) Increasing the number of coils 3) Inserting an iron core (The poles can be reversed if you reverse the direction of the current)
Examples of electromagnetsExamples of electromagnets 1. Speaker 2. Relay switch
An electric bellAn electric bell
Attracting and Repelling Electromagnets Examples of electromagnets Uses of electromagnets 2 - An electric bell Magnets and Electromagnets ... WHS Created ...
8j:Magnets and electromagnets . ... a permanent magnet, ... which of these are all places where electromagnets are not used? ?
View 993 Electromagnets posts ... Circular Electromagnets Views 8 views. ... Holding electromagnet lift solenoid Electric lifting magnet ...
... Magnets and electromagnets Created by Dr J E F Frost with EclipseCrossword by Green Eclipse Software ... (8,5). (13) Across 1. A magnet that can be ...
Bingo - 8J Magnets & Electromagnets. Favorite. ... They may stop, rewind and restart as often as they like during the time frame.
Station 8 ...
8 J Magnetism is a non-contact force. Magnets attract magnetic materials. Iron, nickel and cobalt are magnetic materials. ... Magnets and electromagnets
Unit 8 J: Magnets and Electromagnets ... reverse field of a stronger magnet. Electromagnets:
Science Year 8 Unit 8J Magnets and electromagnets About the unit ... magnet and at various positions around the magnet. Invite them to generate a