Electricity and Magnetism Quiz

Both protons have a _________ charge, and electrons have a _________ charge.

• positive, negative

• negative, positive

• neutral, positive

• positive, neutral

When an object has an unbalanced positive or negative charge, this is referred to as _________.

• static charge

• magnetic field

• electric current

• gravitational force

The region surrounding a charged object, which applies a force to other charged objects even if they do not touch, is called an _________.

• electric field

• magnetic pole

• gravitational field

• thermal zone

The amount of electric force in an electric field depends on two variables: the amount of _________ and the _________ between the objects.

• charge, distance

• mass, speed

• energy, time

• temperature, pressure

If the amount of charge on two objects increases, the strength of the electric field _________.

• increases

• decreases

• remains the same

• disappears

If the distance between two charged objects increases, the strength of the electric field _________.

• decreases

• increases

• remains the same

• doubles

The process by which an unbalanced charge becomes balanced, such as a shock or lightning, is called an _________.

• electric discharge

• magnetic attraction

• thermal conduction

• gravitational pull

A magnet is any object that attracts _________.

• iron

• wood

• plastic

• glass

Magnets have magnetic poles, where the magnetic force is the______________.

• strongest

• weakest

• neutral

• absent

The two poles of a magnet are the _________ pole and the _________ pole.

• north, south

• east, west

• positive, negative

• top, bottom