PHYS 108 Test 1 Quiz and Answers with
Complete Solutions 2026 | 100% Correct
Which pole of a compass needle points to a south pole of a magnet?
a. south pole
b. north pole
c. both of these - ANSWERS North Pole
Magnetism is due to the motion of electrons as they
a. revolve around the nucleus
b. spin on axes.
c. choices A and B are both correct.
d. none of the above choices are correct. - ANSWERS 1. revolve around the
nucleus
2. spin on their axes. (Which is the most important)
Surrounding every moving electron is
a. a magnetic filed
b. an electric field
c. both of these
d. none of these - ANSWERS 1. a magnetic field
2. an electric field
Magnetic field lines about a current-carrying wire
, a. circle the wire in closed loops.
b. extend radially from the wire.
c. Choices A and B are both correct.
d. None of the above choices are correct. - ANSWERS circle the wire in closed
loops
An electron is shot from the right,toward a spot just between the ends of the
horseshoe magnet. The electron
a. accelerates straight toward the spot
b. is deflected into the plane of the page.
c. is attracted to one of the poles, and repelled by the other
d. is deflected out of the plane of the page.
e. is unaffected by the field - ANSWERS is deflected into the plane of the page.
When the distance between two charges is tripled, the electrical force between
the charges is:
a. six times smaller.
b. nine times larger
c. three times larger.
d. three times smaller.
e. nine times smaller. - ANSWERS e. nine times smaller
To say that electric charge is quantized is to say that the charge on an object
a. may occur in an infinte variety of quantities.
b. will interact with neighboring electric charges.
Complete Solutions 2026 | 100% Correct
Which pole of a compass needle points to a south pole of a magnet?
a. south pole
b. north pole
c. both of these - ANSWERS North Pole
Magnetism is due to the motion of electrons as they
a. revolve around the nucleus
b. spin on axes.
c. choices A and B are both correct.
d. none of the above choices are correct. - ANSWERS 1. revolve around the
nucleus
2. spin on their axes. (Which is the most important)
Surrounding every moving electron is
a. a magnetic filed
b. an electric field
c. both of these
d. none of these - ANSWERS 1. a magnetic field
2. an electric field
Magnetic field lines about a current-carrying wire
, a. circle the wire in closed loops.
b. extend radially from the wire.
c. Choices A and B are both correct.
d. None of the above choices are correct. - ANSWERS circle the wire in closed
loops
An electron is shot from the right,toward a spot just between the ends of the
horseshoe magnet. The electron
a. accelerates straight toward the spot
b. is deflected into the plane of the page.
c. is attracted to one of the poles, and repelled by the other
d. is deflected out of the plane of the page.
e. is unaffected by the field - ANSWERS is deflected into the plane of the page.
When the distance between two charges is tripled, the electrical force between
the charges is:
a. six times smaller.
b. nine times larger
c. three times larger.
d. three times smaller.
e. nine times smaller. - ANSWERS e. nine times smaller
To say that electric charge is quantized is to say that the charge on an object
a. may occur in an infinte variety of quantities.
b. will interact with neighboring electric charges.
