Aqa Electromagnetism

What kind of magnet can be turned on and off? (Man-made magnet)

• refrigerator magnet

• electromagnet

• magnetite

• iron

If you wrap more coils around an electromagnet, it will become...(think about the Webquest.)

• brighter

• stronger

• weaker

• invisible

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Choose the best option to complete this gap:
A magnetic field is the ________ around a magnet in which the magnetic force acts.

• pole

• electron

• area

• iron

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The relationship between electricity and magnetism is called

• solenoid

• transformer

• electromagnetism

• electromagnet

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Match the following

• electricity made by friction

• electric charges

• device that creates static electricity

• Van de Graff Generator

• positive/ negative

• magnetic field

• space where magnets exert force

• static electricity

• turns on/off by use of electriciy

• electromagnet

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​ (a)   is the flow of an electric charge through a conductor

• Electrical Current

• Static Electricity

• Magnetism

• Conductors

A(n) ​ (a)   has a negative charge. A(n) ​ (b)   has a positive charge, and a(n) ​ (c)   has a neutral charge.

• electron

• proton

• neutron

• AC

• DC

• conductor

• insulator

• current

• voltage

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The picture above is an example of what?

• Magnetic field

• Electric field

• Repulsion

• Attraction

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Voltage can be induced in a wire by

• a. moving the wire near a magnet.

• b. moving a magnet near the wire.

• c. changing the current in a nearby wire.

• d. all of these

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What would happen if I move a bar magnet in and out of a coil of copper wire?

• Electric current would disappear 

• The magnet would explode 

• Electric current will flow through the wire

• It would produce a gravitational field

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