Electric

When objects lose their electrons, they become:

• positively charged

• negatively charged

• electrically charged

• neutrally charged

Tags

NGSS.HS-PS2-4

Electrons cannot easily move in an electric ____________.

• current

• field

• conductor

• insulator

Examples of electric insulators are:

• plastic

• copper

• wood

• steel

• glass

When objects lose their unbalanced charge, it is called an electric ______________.

• charge

• current

• discharge

• shortage

Which of the following statements is false about electric field lines

• electric field lines cannot cross

• electric field lines point away from positive charge

• electric field lines are always straight lines

• electric field lines show how a proton would move in an electric field

At which point is the electric field the strongest

• A

• B

• C

• D

Tags

NGSS.HS-PS2-4

At which point is the electric field the weakest?

• because it is the furthest away

• because the field lines are further apart

• because the field lines are further apart

•  because it is the furthest away

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.

• +, +

• +, -

• -, +

• -, -

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Consider the electric field lines drawn at the right for a configuration of two charges. Several locations are labeled on the diagram. Which of these shows the ranking in order of weakest to strongest correctly

• E, C

• E, C

• B, A

• D, B

Tags

NGSS.HS-PS2-4

and Q_B are two charges creating an electric field. Based on the electric field lines, we can conclude

• Q_A and Q_B are both positive

• Q_A and Q_B are both negative

• Q_A is positive and Q_B is negative

• Q_A is negative and Q_B is positive

Tags

NGSS.HS-PS3-5