ELECTROSTATICS

Question 1

what is charge given in units of

Answer 1

coloumbs

Question 2

charge affects subatomic particles in what way

Answer 2

identity

Question 3

what are the two kinds of charge

Question 4

what do like charges do

Answer 4

repel

Question 5

what do opposite charges do

Answer 5

attract

Question 6

positive charge comes from

Answer 6

more protons than e-

Question 7

negative charge comes from

Answer 7

more electrons that p+

Question 8

what is the law of conservation of charge

Answer 8

net charge of an isolated system remains constant

Question 9

how is charge created

Answer 9

IT CANNOT BE CREATED

only transferred from one object to another

Question 10

what happens when you rub a balloon on human hair

Answer 10

frictional charging process > transfer of electrons between the two objects that are rubbed together

Question 11

between rubber and hair, which has a greater attraction for electrons

Answer 11

rubber

greater attraction for electrons
electron loving material

Question 12

what happens when a rubber and hair frictional attraction are affected

Answer 12

BALLOON pulls more electrons in and become negatively charged

HAIR has electrons removed becoming positively charged

Question 13

what is a conductor

Answer 13

materials that allow electrons to flow through

Question 14

what is an insulator

Answer 14

materials that resist the free flow of electrons and thus resist charge

Question 15

how does a conductor allow electrons to flow through

Answer 15

allow for the transfer of charge via the free movement of electrons

Question 16

what is coloumbs law

Answer 16

electrical forces between two charged objects are

directly proportional to the product of the quantity of charge on the objects

inversely proportional to the square of the distance separating the two charged objects

Question 17

what is coloumbs constant

Answer 17

8.99 x 10^9 NM2/c2

Question 18

what can a charge generate in environments

Answer 18

electric field

Question 19

what is an electric field

Answer 19

electric force per unit charge.

Question 20

what will the electric force on an object exert

Answer 20

electric field of an object will exert a force on a second object that is in the proximity of its field

Question 21

how does the force exerted on a second object by a first object with an electric field depend on certain conditions

Answer 21

depends on charge upon that object
and charge generating the field

Question 22

what is the basic equation to calculate electric field

Answer 22

E = F/q

Question 23

what is the electric field equation

Answer 23

E = kQ/r2

Where K - 8.99 x 199
Q = charge creating the field
r2 = distance between

Question 24

what do electric field line diagrams show

Answer 24

direction of force.

Question 25

how are arrowheads drawn for positive atoms

Answer 25

arrowheads are pointed away from positive charges

Question 26

how are arrowheads drawn for negative atoms

Answer 26

arrowheads are pointed toward negative charges

Question 27

what happens if a beam of electrons is moved perpendicularly to an electric field between two horizontal planes

Answer 27

accelerated vertically (toward the positive plate)

Question 28

how is velocity of electrons affected when a beam of electrons is passed through an electric field

Answer 28

it's not affected

Question 29

why is an electron beam attracted to a differing negative and electric plane of an electric field?

Answer 29

It will be attracted by the positively charged upper plate and repelled by the negatively charged lower plate

Question 30

how does potential energy arise from charges

Answer 30

charge exerts force on another charge energy comes from collection of charges

Question 31

what happens if perpendicular movement hits an electric field

Answer 31

does not result in a change in potential

Question 32

why does perpendicular movement not affect an electric field

Answer 32

follows lines called equipotential lines/surfaces

Question 33

what property do all the lines in an equipotential surface share

Answer 33

same voltage

Question 34

is work done when an electron is sent across an equipotential line

Answer 34

no

Question 35

how is an electric dipole created

Answer 35

created by two opposite charges that have equal magnitude

Question 36

how do you calculate electric dipole momvement

Answer 36

multiply the charge on one charge by the distance

Question 37

what is the equation for electric dipole movement

Answer 37

p = qd