Electric Field and Voltage

Electric field is

• A region of space in which an electric charge will experience a force when place in it

• Exist in a point

• A vector quantity

• a point that is perpendicular to the force vector

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

Electric field is the force experienced by a test charge that has a value of

• 0

• +1

• -1

• no value

Tags

NGSS.HS-PS3-5

The electric force on a charged body is exerted by the electric field created by

other charged bodies

• True

• False

Tags

NGSS.HS-PS2-4

If a charge is positive then the force

experienced by the charge is the _____________ as Electric Field

• Upward Direction

• Opposite Direction

• Same Direction

• Downward Direction

Tags

NGSS.HS-PS3-5

What does the magnitude of charge in a proton equal?

• Neutron

• Proton

• Electron

• Positron

What do closely bunched lines in an electric field indicate?

• Stays the same as they are far apart

• A weak electric field

• The direction of electron

• A strong electric field

Tags

NGSS.HS-PS3-5

Permittivity of free space

• 8.85x10^-12 N/C

• 8.85x10^-12 C^2/Nm^2

• 8.85x10^-12 C/Nm^2

• 8.85x10^-12 C^2/N^2m^2

Tags

NGSS.HS-PS2-4

Charge is quantisized in units of

• r

• n

• p

• e

What is the equation using force and charge that describes electric field strength?

• E = F/Q

• E = kq/r^2

• E = k/Q

• E = F/r^2

Tags

NGSS.HS-PS2-4

V increases in the opposite direction that F acts.

• E = - V/d

• V = - E/d

• d = V/-E

• E = V/d