Electric Fields Forces Question Preview (ID: 28872)
Electric Fields Forces.
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Magnetism is different because of electricity because....
a) magnetism has fields but electricity doesn't.
b) magnetism has forces but electricity doesn't.
c) magnetism has 2 poles and electricity has charges that can exist alone.
d) TRICK question - magnetism and electricity are the same thing!
Which statement is FALSE?
a) Electrons can leave an atom making the atom have a positive charge.
b) Electrons can be gained by an atom making the atom have a negative charge.
c) Protons can be gained by an atom making the atom have a positive charge.
d) The movement of electrons can change an atom's charge.
Which is NOT true about electrical fields?
a) The electric field points away from positive charges.
b) The electric field points toward negative charges.
c) The electric field is stronger when the field lines are closer together.
d) Electric fields flow from a negative charge to a positive charge.
As the distance between two charges increase....
a) the electrical force increases
b) the electrical force decreases
c) the magnitude (size) of the charges decrease
d) they cry because they miss each other
Which of the following statements is true
a) Electric charges can exist alone
b) Electric charges exist in pairs
c) Protons are attracted to protons
d) Electrons pull other electrons to them
An electric field is
a) the idea that electric charges can't exist alone
b) the attraction or repulsion between electric charges
c) an area around a charged object that exerts an electric force on other charged objects
d) the interaction between electric charges
An electric force is
a) the interaction between electric charges
b) the idea that electric charges can't exist alone
c) an area around a charged object that exerts an electric force on other charged objects
d) the attraction or repulsion between electric charges
Electricity is
a) the attraction or repulsion between electric charges
b) an area around a charged object that exerts an electric force on other charged objects
c) the idea that electric charges can't exist alone
d) the interaction between electric charges
Which atomic parts are matched correctly to their charges?
a) protons: positive, neutrons: no charge, electrons: negative
b) protons: negative, neutrons: no charge, electrons: positive
c) protons: no charge, neutrons: positive, electrons: negative
d) trick question - atomic parts don't have charges
If the magnitude of the a charged object increases....
a) the electric force increases
b) the electric force decreases
c) it explodes due to extra energy
d) the electric force stays the same
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