AnswersPhysicsElectricity

Electricity — Test Answers

23 verified answers
8

An electric field is represented by the force on which particle?

A
a dipole
B
a positive test charge
C
a neutron
D
a negative test charge
9

What is the tendency of a material to oppose the flow of charge?

A
voltage
B
resistance
C
potential difference
D
current
14

Which is the electric potential energy of a charged particle divided by its charge?

A
electric field line
B
electric potential
C
electric field
D
electric potential difference
15

What is a path through which electric charges travel?

A
resistance
B
electric circuit
C
electric current
D
voltage
16

How does the electrical force relate to the charge of an object?

A
It is directly proportional to the charge.
B
It is directly proportional to the square of the charge.
C
It is inversely proportional to the charge.
D
It is inversely proportional to the square of the charge.
17

What is the continuous flow of electric charge?

A
current
B
voltage
C
resistance
D
potential difference
18

Which factors affect the electrical force between two objects?

A
mass and electric field strength
B
charge and mass
C
mass and distance between them
D
charge and distance between them
20

A charge of 6 point 4 times 10 to the negative 7 power cap c experiences an electric force of 1 point 8 times 10 inverse cap n What is the electric field strength?

A
8 point 2 times 10 to the 0 power cap n over cap c
B
3 point 6 times 10 to the negative 6 power cap n over cap c
C
2 point 8 times 10 to the 5th power cap n over cap c
D
1 point 1 times 10 to the negative 7 power cap n over cap c
21

What is usually needed for generating electrical energy when using fossil fuels but not needed when using wind or water?

A
spinning turbines
B
high-pressure steam
C
rotating generators
D
energy put into the plant
22

A pair of opposite electric charges of equal magnitude is called a(n)

A
electric field.
B
point charge.
C
field line.
D
dipole.

Did you find these answers helpful?