Electrical Final Exam questions well
answered graded A+
The chemical reaction in a battery causes a lack of electrons at the positive (+) terminal. -
correct answer ✔✔ true
Electromotive force is measured in volts. - correct answer ✔✔ true
A series circuit provides two or more different paths for the current to flow through. - correct
answer ✔✔ Fasle
To complete the electrical path to the vehicle's battery, the vehicle's metal frame components
are often part of the electrical circuit.. - correct answer ✔✔ true
Amperage stays constant in a circuit, but the voltage drops as it powers a load. - correct answer
✔✔ true
Which type of resistor is commonly used in automotive circuits? - correct answer ✔✔ All the
answers are correct.
The unit for measuring electrical pressure (force) is _____. - correct answer ✔✔ volts
In the formula E = I x R, the R represents_____. - correct answer ✔✔ Resistance
All the following parts are used as circuit protection EXCEPT: - correct answer ✔✔ Relay
, A momentary contact switch is used to operate the _____. - correct answer ✔✔ horn
High resistance in a circuit causes decreased current flow. - correct answer ✔✔ True
A circuit is open when it is complete. - correct answer ✔✔ False
All types of circuit protection devices can be checked with an ohmmeter or test light. - correct
answer ✔✔ True
While discussing how to test a switch, Technician A says the action of the switch can be
monitored by a voltmeter. Technician B says the continuity through the switch can be checked
by measuring the resistance across the switch terminals using an ohmmeter. Who is correct? -
correct answer ✔✔ both A and B
If rosin core solder is not available, acid core solder can be used as a substitute. - correct answer
✔✔ False
A technician is testing a connector in a circuit with a voltmeter. With the power on in the circuit,
the meter reads 12 volts when the leads are placed on each side of the connector. This indicates
that the connector _____. - correct answer ✔✔ is open
Resistance checks are being discussed. Technician A says the component must be disconnected
from the system before checking. Technician B says an infinite reading means the component is
shorted. Who is correct? - correct answer ✔✔ A only
Technician A says a circuit breaker can be reset after the problem that tripped the circuit
breaker is fixed by disconnecting the power to the circuit breaker for a few seconds. Technician
B says the circuit breaker can be reset by pressing the reset button on the breaker. Who is
correct? - correct answer ✔✔ Both
answered graded A+
The chemical reaction in a battery causes a lack of electrons at the positive (+) terminal. -
correct answer ✔✔ true
Electromotive force is measured in volts. - correct answer ✔✔ true
A series circuit provides two or more different paths for the current to flow through. - correct
answer ✔✔ Fasle
To complete the electrical path to the vehicle's battery, the vehicle's metal frame components
are often part of the electrical circuit.. - correct answer ✔✔ true
Amperage stays constant in a circuit, but the voltage drops as it powers a load. - correct answer
✔✔ true
Which type of resistor is commonly used in automotive circuits? - correct answer ✔✔ All the
answers are correct.
The unit for measuring electrical pressure (force) is _____. - correct answer ✔✔ volts
In the formula E = I x R, the R represents_____. - correct answer ✔✔ Resistance
All the following parts are used as circuit protection EXCEPT: - correct answer ✔✔ Relay
, A momentary contact switch is used to operate the _____. - correct answer ✔✔ horn
High resistance in a circuit causes decreased current flow. - correct answer ✔✔ True
A circuit is open when it is complete. - correct answer ✔✔ False
All types of circuit protection devices can be checked with an ohmmeter or test light. - correct
answer ✔✔ True
While discussing how to test a switch, Technician A says the action of the switch can be
monitored by a voltmeter. Technician B says the continuity through the switch can be checked
by measuring the resistance across the switch terminals using an ohmmeter. Who is correct? -
correct answer ✔✔ both A and B
If rosin core solder is not available, acid core solder can be used as a substitute. - correct answer
✔✔ False
A technician is testing a connector in a circuit with a voltmeter. With the power on in the circuit,
the meter reads 12 volts when the leads are placed on each side of the connector. This indicates
that the connector _____. - correct answer ✔✔ is open
Resistance checks are being discussed. Technician A says the component must be disconnected
from the system before checking. Technician B says an infinite reading means the component is
shorted. Who is correct? - correct answer ✔✔ A only
Technician A says a circuit breaker can be reset after the problem that tripped the circuit
breaker is fixed by disconnecting the power to the circuit breaker for a few seconds. Technician
B says the circuit breaker can be reset by pressing the reset button on the breaker. Who is
correct? - correct answer ✔✔ Both
