Eng Physics 1.1 Formative

How does an object become negatively charged?

• by adding electrons

• by removing protons

• either adding electrons or removing protons

How does an object become positively charged?

• by adding protons

• by removing electrons

• either by adding protons or removing electrons

An object that has an equal number of positive charges and negative charges is said to be

• neutral

• charged

• negative

• positive

Select all of the statements that are true.

• Oppositely charged objects repel

• Oppositely charged objects attract

• Similarly charged objects repel

• Similarly charged objects attract

T or F: There is more evidence of static charge in the winter because the air is more humid.

• true

• false

Electrically connecting an object to the earth by means of a metal wire or other conductor is called

• grounding

• a circuit

• neutral

• negative charge

An electrical device must have at least _____ contact point(s).

• 1

• 2

• 3

• 4

Identify letter C

• filament

• contact point

• contact wire

• glass bulb

Identify letter L

• filament

• contact point

• contact wire

• glass bulb

Identify letter E

• filament

• contact point

• contact wire

• glass bulb