Chapter 7 Multiple Choice Quiz 1

Please answer all questions


1	Electrical, light, and chemical phenomena all involve movement or interactions of which part of an atom?
		A)	protons
		B)	neutrons
		C)	electrons
		D)	the nucleus


2	How does an object become electrostatically charged?
		A)	from a transfer of protons or electrons
		B)	when electrons are transferred
		C)	when protons are transferred
		D)	from the creation or destruction of charge


3	A coulomb is a unit of electrical
		A)	charge.
		B)	potential difference.
		C)	current.
		D)	resistance.


4	A volt is a unit of electrical
		A)	charge.
		B)	potential difference.
		C)	current.
		D)	resistance.


5	Which of the following requires a measure of time?
		A)	volt
		B)	coulomb
		C)	joule
		D)	watt


6	An amp is a unit of electrical
		A)	charge.
		B)	potential difference.
		C)	current.
		D)	resistance.


7	What travels through a conductor at near the speed of light when a current is established?
		A)	an electric field
		B)	electrons
		C)	protons
		D)	photons


8	If you multiply amps times volts the answer will have the unit
		A)	ohm.
		B)	joule.
		C)	amp.
		D)	watt.


9	A kilowatt-hour is a unit of
		A)	power.
		B)	charge.
		C)	work.
		D)	current.


10	If an electric charge is somehow suddenly neutralized, the electric field that surrounds it will
		A)	immediately cease to exist.
		B)	collapse inward at the speed of light.
		C)	continue to exist until neutralized.
		D)	move off into space until it finds another charge.

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