Magnetism

Some materials cannot be attracted to the magnet because they are

• Magnetic material

• Non magnetic material

• Located in the magnetic field

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Magnet affect certain objects like ………..when they locate in its magnetic field

• Wood and steel

• Iron and copper

• Nickel and plastic

• Cobalt and steel

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Magnets are used in generators and ……... to generate.

• Turbine -sound

• Turbine -electricity

• Switches -sound

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By increasing the number of loops in any coil and moving a magnet inside ti rapidly, the amount of generated electric current will decrease

• True

• False

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Magnetism is generated by moving

• protons.

• electrons.

• neutrons.

• elements.

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What do the lines around this magnet represent?

• North Pole

• South Pole

• Magnetic Declination

• Magnetic Field

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If you place the North pole of a magnet next to the South pole of another magnet, they will:

• Attract

• Repel

• Do nothing

• Shatter

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What happens when two north poles of a magnet are placed together?

• they repel

• they attract

• they cancel each other out

• the strength of the magnet is doubled

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What kind of magnet can be turned on and off?

• refridgerator magnet

• electromagnet

• magnetite

• iron

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Region around a magnet in which magnetic force can act.

• Magnetic field 

• Magnetic force

• Domain

• Perimeter

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