Understanding Electromagnetism

What happens when two people in space throw a ball back and forth?

• They float randomly

• They move away from each other

• They remain motionless

• They move closer to each other

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What is a virtual photon?

• A real particle that can be seen

• A particle that appears and disappears quickly

• A type of electron

• A permanent particle in space

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What does the electric charge of an electron?

• -2e

• 0e

• -1e

• +1e

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What happens when a negative and a positive particle are near each other?

• They repel each other

• They do not interact

• They attract each other

• They explode

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What color does the electric field turn when a proton is placed in it?

• Blue

• Red

• Green

• Yellow

What is the effect of a magnetic field on a stationary particle?

• It does not feel any force

• It vibrates

• It experiences a strong force

• It moves in a circle

What is the relationship between electric and magnetic fields according to Maxwell's equations?

• They only exist in theory

• They repel each other

• They can transform into each other

• They are unrelated

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What happens when a magnet is dropped through a coil of wire?

• It floats

• It dissolves

• It generates an electric current

• It catches fire

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What does the magnetic force depend on?

• The color of the particle

• The taste of the particle

• The speed and direction of the moving charge

• The smell of the environment

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What is the effect of an electric current running through a coil?

• It creates a magnetic field

• It produces light

• It reduces gravity

• It increases temperature

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