12 Physics - Magnetism

Magnet in the shape of a U

• parabolic

• spherical

• inverted

• horseshoe

Magnets that only display magnetic properties for a short time

• inductors

• temporary

• partial

• permanent

Magnetic field lines can also be called ______ lines

• electromagnetic

• invisible

• flux

• quantum

A/n ________ magnet is a magnet that retains it magnetism for a long time

• infinity

• perpetual

• enduring

• permanent

A magnet produced by a coil of wire wrapped around a magnetically soft core

• electromagnetic

• solenoid

• permanent

• inductor

Magnets are made from rare elements such as neodymium iron boride (NdFeB) and have very strong magnetism

• supermagnets

• rare earth magnets

• NIB magnets

• powermagnets

In classical physics, the motions spinning and orbiting turn the ________ and atoms into tiny bar magnets

• protons

• electrons

• domains

• fields

Acronym used to describe the three strongest naturally occurring magnetic elements

• ALNICO

• NIB

• PNT

• INCAL

Like poles ______

• attract

• repel

• nothing happens

• explode

The arrows on magnetic field lines always point

• south pole to north pole

• north pole to south pole

• away from the centre of the magnet

• towards the centre of the magnet