AUMT Electrical System Final Exam (Chapter 50-55) Questions Part 3 Questions with Correct Answers

AUMT Electrical System Final Exam (Chapter 50-55) Questions Part 3
Questions with Correct Answers


Question 1:
Two technicians are discussing a series circuit with four resistors of various resistances. Tech A
says that current flow is different in each resistor. Tech B says that current flow is the same in
each resistor. Who is correct?
Answer:
TEch B



Question 2:
Tech A says that the movement of electrons in a circuit is called current flow. Tech B says that
the movement of electrons in a circuit is measured in amps. Who is correct?
Answer:
Both A and B



Question 3:
Which side of a circuit starts at the negative side and ends at switch?
Answer:
Ground Side



Question 4:
When the switch is moved to closed position, the current path is broken and current flow stops.
Answer:
All of the following statements describing an electrical circuit are true EXCEPT:



Question 5:
Tech A says that if a 12-volt light has 10 amps flowing through it, it is using 22 watts of
electricity. Tech B says that watts are units of electrical power. Who is correct?
Answer:
Tech B

,Question 6:
Tech A says that if resistance stays the same and voltage goes up, then amperage goes down.
Tech B says that if voltage stays the same and resistance goes down, then amperage goes
down. Who is correct?
Answer:
Neither A nor B



Question 7:
Tech A says that in a series circuit with two resistors of 120 ohms each, the total circuit
resistance is 240 ohms. Tech B says that in a parallel circuit with two resistors of 120 ohms
each, the total circuit resistance is 240 ohms. Who is correct?
Answer:
Tech A



Question 8:
The device which is used to measure the amount of resistance in a component or a circuit is
a(n):
Answer:
Ohmmeter



Question 9:
Electromotive force can be best described as the:
Answer:
force of attraction/repelling which drives the electrons to move along.



Question 10:
The degree to which a material opposes the passage of electrical current through it is called:
Resistance
Tech A says that if the specified fuse keeps blowing, it is generally okay to replace it with a
larger fuse. Tech B says that a fusible link is one type of circuit protection device. Who is
correct?
Answer:
Tech B

, Question 11:
Tech A says that an ohm is a unit of measurement of resistance. Tech B says that high
resistance creates heat at the point of resistance in the circuit. Who is correct?
Answer:
Both A and B



Question 12:
Tech A says that electromotive force is also known as voltage. Tech B says that when electrons
flow in one direction only, this is DC. Who is correct?
Answer:
Both A and B



Question 13:
When two dissimilar metals are immersed in an acidic liquid, the breakdown of chemicals into
charged particles results in a flow of electricity. This principle is used in a(n):
Answer:
Battery



Question 14:
Which of the following materials is typically used in the construction of semiconductors? Silicon
Tech A says that an unintended resistance results in a voltage drop. Tech B says that one of the
factors that determines the level of electrical resistance is the weight of the conductor. Who is
correct?
Answer:
Tech A



Question 15:
The force with which the positive terminal pulls the free electrons toward it in a circuit is
measured in:
Answer:
Volts



Question 16:
Tech A says that some relays are equipped with a suppression diode in parallel with the