Maxwell

Based on Maxwell starting points

Electric field lines:

• Originate on positive charges and terminate on negative charges.

• Originate on negative charges and terminate on positive charges.

• Can be originated on either charges but terminates only on negative charges.

• Form closed loops

Based on Maxwell starting points:

•Magnetic field lines :

• always form closed loops – they do not begin or end anywhere.

• they can form closed or open loops – they begin at specific point but end anywhere.

• originate on south poles and terminate on north poles.

• magnetis can be found as separate poles

One of Maxwell's starting points was

A varying magnetic field:

• induces an emf and hence an electric field

• induces only an emf

• induces only an electric field

• induces ultraviolet catastrophe

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Based on Maxwell's starting points

•Magnetic fields are generated :

• by moving charges or currents

• by still charges

• by chemical reactions

• by summer and hot weather

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Maxwell hypothesized that a changing electric field would produce a magnetic field. and edited which equation:

• Gauss's Law

• Faraday's Law

• Ampere's Law

• Magnetic flux through a closed loop formula

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•Maxwell calculated the speed of light to be

• speed of sound

• fluctuating based on the temprature

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Maxwell concluded that visible light and all other electromagnetic waves consist of fluctuating electric and magnetic fields, with each varying field inducing the other.

• True

• False

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EM waves travel at the speed of light.

• True

• False

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The ratio of the electric field to the magnetic field in an EM wave equals the speed of light.

• True

• False

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EM waves carry both energy and momentum, which can be delivered to a surface.

• True

• False

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