GEOLOGY

EARTH SCIENCE

MAGNETISM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
All permanent magnets have two
A
magnetic charges
B
magnetic fields
C
magnetic needles
D
magnetic poles
Explanation: 

Detailed explanation-1: -The north pole and south pole are the two poles of a magnet.

Detailed explanation-2: -Permanent magnets normally have two poles, a north-seeking pole and a south-seeking pole (using seeking pole helps with the problem of what is at the Earth’s magnetic poles). Similar poles repel and dissimilar poles attract.

Detailed explanation-3: -Permanent Magnets & Electromagnets both create magnetic fields (which can be visualised by imaginary magnetic field lines). They will have North and South Poles, and both will have their magnetic fields interact with other sources of magnetic fields and materials which exhibit magnetic properties.

Detailed explanation-4: -All magnets have a north seeking pole (north pole) at one end and a south seeking pole (south pole) at the other end. These two poles are oppositely charged and allow magnets to repel and attract other magnets depending on their arrangement.

Detailed explanation-5: -Every magnet has both a north and a south pole. There are no magnets with only one pole (see magnetic monopoles). With an axially magnetized disc magnet, for example, you could write a big N and an S on either round face with a marker.

There is 1 question to complete.