Magnets quiz review

What are the important parts of a speaker system?

• Speaker Cone, Coil of Wire, Magnet

• Battery, Switch, Light Bulb

• Resistor, Capacitor, Transistor

• Diode, Transformer, Inductor

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When does the speaker cone vibrate?

• When the coil is connected to a sound source and the magnet is close

• When the coil is disconnected from the sound source

• When the magnet is far from the coil

• When the speaker is turned off

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What happens when the magnet is closer to the coil?

• The sound is louder

• The sound is quieter

• The speaker stops working

• The speaker cone does not vibrate

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What type of metals are pulled by magnets?

• Copper

• Iron

• Aluminum

• Plastic

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What happens when two magnets push against each other?

• They attract

• They repel

• They melt

• They break

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What is needed for forces between a magnet and a coil to occur?

• A switch

• A battery

• A resistor

• A light bulb

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What can a compass needle be considered as?

• A battery

• A magnet

• A coil

• A resistor

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What happens when a coil or magnet moves?

• It loses energy

• It gains potential energy

• It has kinetic energy

• It stops moving

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What is the shape of the space around a magnet called?

• Electric field

• Gravitational field

• Magnetic field

• Thermal field

What happens to the magnetic field as you move farther away from a magnet?

• It gets stronger

• It remains the same

• It weakens and disappears

• It changes direction

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