NEW
Font size
WorksheetsElectrical Pre-Test
Total questions: 20
Worksheet time: 54mins
Which of the following devices measures current in an electric circuit?
an ammeter
an ohmmeter
a voltage meter
a resistor
The illustration depicts a short circuit.
True
False
In a closed circuit, how does battery voltage affect current?
As voltage increases, current increases.
As voltage increases, current decreases.
Voltage has no affect on current.
If voltage exceeds current, a short circuit circuit will develop.
In a standard series circuit, the voltage is the same everywhere in the circuit.
True
False
Which of the following correctly states relationship between voltage, resistance, and current in a circuit?
Current is directly related to voltage but inversely related to resistance.
Current is directly related to both voltage and resistance.
Current is inversely related to both voltage and resistance.
Current is directly related to voltage but is not affected by resistance.
Which of the symbols represents current in an electrical circuit?
i
c
e
r
An electrical circuit is powered by a 1.5-volt battery and contains a light bulb producing 5 Ohms of resistance. There is also another 5 Ohm resistor in the circuit. How many amps of current are in this circuit? HINT: V = IR
0.15 amps
15.0 amps
6.67 amps
1.50 amps
An electrical circuit is powered by a 12-volt battery and contains a light bulb. The current flowing in the circuit is 20 amps. What is the resistance of the light bulb? HINT: V = IR
0.6 Ohms
240 Ohms
1.67 Ohms
12 Ohms
An electrical circuit is powered by a battery and contains a light bulb producing 1.5 Ohms of resistance. The circuit is flowing at 4 amps of current. What is the voltage of the battery?
HINT: V = IR
6.0 volts
1.5 volts
9.0 volts
12.0 volts
Electric field is a __________ quantity whose direction is defined as the direction that a ____________ test charge would be pushed when placed in the field.
vector, positive
vector, negative
scalar, positive
scalar, negative
The quantity electric potential is defined as the amount of:
electric potential energy
force acting upon a charge
potential energy per charge
force per charge
When work is done on a positive test charge by an external force to move it from one location to another, potential energy _________ (increases, decreases) and electric potential _________ (increases, decreases).
increases, increases
increases, decreases
decreases, increases
decreases, decreases
Moving an electron within an electric field would change the ____________ the electron.
mass of
amount of charge on
potential energy of
type of charge on
If an electrical circuit were analogous to a water circuit at a water park, then the battery voltage would be comparable to ___________________.
the rate at which water flows through the circuit
the speed at which water flows through the circuit
the distance that water flows through the circuit
the water pressure between the top and bottom of the circuit
the hindrance caused by obstacles in the path of the moving water
The diagram below at the right shows a light bulb connected by wires to the + and - terminals of a car battery. Compared to point D, point A is _______________ electric potential.
12 V higher in
12 V lower in
exactly the same
impossible to tell
If Ohm's Law is wrong, then:
Andre Ampere:
Transistors are:
Alessandro Volta is responsible for:
What, simply is "electricity"?
The flow of electrons through a circuit
