Electrostatics Physics

What direction are the electric field lines around an electron?

• towards the charge
• away from the charge

What does it mean when the electric field lines are close together?

• the field is positive
• the field is negative
• The field is strong
• the field is weak

Tags

NGSS.HS-PS3-5

Charged objects are not attracted to neutral objects

• True
• False

Tags

NGSS.HS-PS2-4

What direction are the electric field lines around a proton?

• towards the charge
• away from the charge

The law of conservation of charge states that...

• all atoms have more protons than electrons
• only protons can be rubbed off of an atom
• charge cannot be created or destroyed
• charge cannot be transferred 

Which of the following labeled points is in the region with the strongest force of electric charge

• A
• B
• C
• D

Tags

NGSS.HS-PS2-4

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the unit of electric charge?

• Volts
• Amps
• Coulombs
• Ohms

Sphere A carries a charge of +8 coulombs, and Sphere B carries a charge of -6 coulombs.  If the two are touched together and then separated, what will the charge on sphere A be?

• +1
• -1
• +2
• -2

If an object has an excess charge of -8.0x10^-19C, how many excess electrons does the object have?

• 2
• 3
• 4
• 5

If an object has an excess of 18 electrons, what is the charge on the object?

• 12.8x10^-19C
• 28.8x10^-19C
• 14.4x10^-19C
• 6.4x10^-19C