PHYS 1260 EXAM 2025
PHYS 1260 EXAM 1-4 QUESTIONS AND
ANSWERS SPRING 2025 GRADED A+
Electric potential, measured in volts, is the ratio of electrical potential
energy to the amount of electric
A) current.
B) resistance.
C) charge.
D) voltage.
E) [none of these]
Charge
If 10 J of work is used in pushing a 1-C charge into an electric field, its
electric potential relative to its starting position is
A) less than 10 V.
B) 10 V.
C) more than 10 V.
D) [none of these]
10 V
,PHYS 1260 EXAM 2025
An electron is pushed into an electric field where it acquires a 1-V
electric potential. If two electrons are pushed the same distance into the
same electric field, the electric potential of each electron is
A) 0.25 V.
B) 0.5 V.
C) 1 V.
D) 2 V.
E) 4 V.
1V
The net charge on a parallel-plate capacitor depends on
A) the area of the capacitor plates.
B) the distance between the capacitor plates.
C) the medium between the capacitor plates.
D) [all of these]
E) [none of these]
all of these
,PHYS 1260 EXAM 2025
Electric current is defined as
the rate or flow of (charge) electrons (amps)
If you stretch a copper wire so that it is thinner, the resistance between
its ends
A) decreases.
B) remains unchanged
.C) increases.
increases
When you turn on a lamp, the initial current in its filament is greater at
first, rather than a moment later, which indicates
A) something is faulty.
B) a time delay for current attaining its average speed.
C) increased temperature means increased resistance.
D) nothing of interest.
increased temperature means increased resistance
, PHYS 1260 EXAM 2025
The electrical force between charges is strongest when the charges are
A) close together
.B) far apart.
C) [either of these]
D) [need more information]
close together
The electrical force between electric charges depends only on their
A) magnitude (strength of charge).
B) separation distance.
C) [both of these]
D) [neither of these]
both of these
The electrical force on a 2-C charge is 60 N. The electric field where the
charge is located is
A) 20 N/C.
B) 30 N/C.
PHYS 1260 EXAM 1-4 QUESTIONS AND
ANSWERS SPRING 2025 GRADED A+
Electric potential, measured in volts, is the ratio of electrical potential
energy to the amount of electric
A) current.
B) resistance.
C) charge.
D) voltage.
E) [none of these]
Charge
If 10 J of work is used in pushing a 1-C charge into an electric field, its
electric potential relative to its starting position is
A) less than 10 V.
B) 10 V.
C) more than 10 V.
D) [none of these]
10 V
,PHYS 1260 EXAM 2025
An electron is pushed into an electric field where it acquires a 1-V
electric potential. If two electrons are pushed the same distance into the
same electric field, the electric potential of each electron is
A) 0.25 V.
B) 0.5 V.
C) 1 V.
D) 2 V.
E) 4 V.
1V
The net charge on a parallel-plate capacitor depends on
A) the area of the capacitor plates.
B) the distance between the capacitor plates.
C) the medium between the capacitor plates.
D) [all of these]
E) [none of these]
all of these
,PHYS 1260 EXAM 2025
Electric current is defined as
the rate or flow of (charge) electrons (amps)
If you stretch a copper wire so that it is thinner, the resistance between
its ends
A) decreases.
B) remains unchanged
.C) increases.
increases
When you turn on a lamp, the initial current in its filament is greater at
first, rather than a moment later, which indicates
A) something is faulty.
B) a time delay for current attaining its average speed.
C) increased temperature means increased resistance.
D) nothing of interest.
increased temperature means increased resistance
, PHYS 1260 EXAM 2025
The electrical force between charges is strongest when the charges are
A) close together
.B) far apart.
C) [either of these]
D) [need more information]
close together
The electrical force between electric charges depends only on their
A) magnitude (strength of charge).
B) separation distance.
C) [both of these]
D) [neither of these]
both of these
The electrical force on a 2-C charge is 60 N. The electric field where the
charge is located is
A) 20 N/C.
B) 30 N/C.
