the direction a test charge experiences a force relative to the field lines
What is WITH the field lines!
100
Formula for calculating the amount of charge if you know the number of extra electrons
What is Q = Ne
200
Newton
What is the unit for FORCE (electric force, gravity, etc)
200
Perpendicularly inward toward the surface
What is the direction of a field line on a (-) charge
200
Produces upwards of 100,000V, but is safe to touch due to low number of charges on the surface
What is a Van de Graaff Generator
200
What is the direction an electron experiences a force relative to an electric field
What is against or OPPOSITE the field.
200
Formula for calculating an E field
What is E = F/Q
300
Joule
What is the unit for Electrical Potential Energy
300
Something field lines CANNOT ever do
What is CROSS. instead they curve
300
1.6x10^19 C
What is the elementary charge or the charge a single proton or electrons
300
An electron field points UP, a proton would experience a force that is.
What is UP (or the same direction)
300
Two connected formulas for finding out the acceleration of a charge in an electric field
What is F= EQ then F = ma (a = F/m)
400
N/C (newtons per coulomb)
What is the unit for Electric fields
400
The shape of the field between two positive charges of the same amount. (Draw it )
What is (VISUAL ANSWER)
400
Protons have these two kinds of fields
What is gravitational (everything does) and electrical (because it is charged)
400
An electric field points right, an electron is placed in the field and is moving UP, What happens to its motion?
What is turns RIGHT
400
Formula for Millikan Oil drop investigation
What is mg = EQ (or EQ = mg)
500
m/s^2 or N/ kg
What is the unit for gravitational field (9.8 m/s^2)
500
The shape of the electric field between two charges of equal size, but ONE is +, other is -
What is (visual answer), but lines curve in between in arcs.
From the +toward the -
500
American chemist who discovered the charge to mass ratio of an electron by suspending an oil droplet in a chamber with an electric field earning him a Nobel Prize
What is Robert Millikan (1868-1953)
500
An electric field is pointing DOWN, an electron is placed in the field and is moving DOWN, the electron will