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Electric Fields Forces
Test Description: Electric fields forces
Instructions: Answer all questions to get your test result.
1) Which atomic parts are matched correctly to their charges?
A
protons: no charge, neutrons: positive, electrons: negative
B
trick question - atomic parts don't have charges
C
protons: negative, neutrons: no charge, electrons: positive
D
protons: positive, neutrons: no charge, electrons: negative
2) Electricity is
A
the attraction or repulsion between electric charges
B
the interaction between electric charges
C
an area around a charged object that exerts an electric force on other charged objects
D
the idea that electric charges can't exist alone
3) An electric force is
A
an area around a charged object that exerts an electric force on other charged objects
B
the interaction between electric charges
C
the idea that electric charges can't exist alone
D
the attraction or repulsion between electric charges
4) An electric field is
A
an area around a charged object that exerts an electric force on other charged objects
B
the attraction or repulsion between electric charges
C
the interaction between electric charges
D
the idea that electric charges can't exist alone
5) Which of the following statements is true
A
Electric charges can exist alone
B
Electrons pull other electrons to them
C
Protons are attracted to protons
D
Electric charges exist in pairs
6) As the distance between two charges increase....
A
they cry because they miss each other
B
the electrical force increases
C
the electrical force decreases
D
the magnitude (size) of the charges decrease
7) Which is NOT true about electrical fields?
A
The electric field points toward negative charges.
B
The electric field is stronger when the field lines are closer together.
C
The electric field points away from positive charges.
D
Electric fields flow from a negative charge to a positive charge.
8) Which statement is FALSE?
A
Electrons can be gained by an atom making the atom have a negative charge.
B
The movement of electrons can change an atom's charge.
C
Electrons can leave an atom making the atom have a positive charge.
D
Protons can be gained by an atom making the atom have a positive charge.
9) Magnetism is different because of electricity because....
A
magnetism has fields but electricity doesn't.
B
magnetism has 2 poles and electricity has charges that can exist alone.
C
TRICK question - magnetism and electricity are the same thing!
D
magnetism has forces but electricity doesn't.
10) If the magnitude of the a charged object increases....
A
the electric force increases
B
the electric force decreases
C
the electric force stays the same
D
it explodes due to extra energy
*select an answer for all questions
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