What force will a negative charge placed at location C feel?
a. zero
b. a force up and to the left
c. a force up and to the right
d. a force down and to the left
e. a force down and to the right
[Ques. 2] If a new negative point charge is placed at location B directly above the one pictured, the force on it will
a. be zero
b. push it upward
c. push it downward
d. be in an unknown direction
[Ques. 3] The force on a charged object divided by the charge on the object is
a. voltage
b. current
c. resistance
d. electric field
e. critical temperature
[Ques. 4] If three identical bulbs are connected in series across a 12V battery, the voltage across each bulb will be
a. 12V
b. 4V
c. different
d. none of the above
[Ques. 5] If three identical bulbs are connected in parallel across a 12V battery, the voltage across each bulb will be
a. 12V
b. 4V
c. different
d. none of the above
[Ques. 6] Why do we use fuses?
a. to eliminate shock hazards
b. to prevent fires
c. to save on the cost of electricity
d. to store charge
[Ques. 7] A car headlight and an interior dome light use the same voltage, but the headlight consumes much more power because
a. its resistance is lower
b. the current in it is larger
c. it uses energy faster
d. all of the above
[Ques. 8] If you think of a battery as an electric charge pump,' the battery voltage is analogous to
a. rate of fluid flow
b. pressure
c. flow velocity
d. water
e. none of the above
[Ques. 9] Voltage can also be called
a. potential
b. pressure
c. work
d. energy
e. none of the above
[Ques. 10] A quantity that measures the opposition to the flow of charge is
a. voltage
b. current
c. resistance
d. electric field
e. critical temperature
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