FCC GROL ELEMENT 3 |ACTUAL QUESTIONS AND
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
What is the basic unit of electrical power?
A. Ohm
B. Watt
C. Volt
D. Ampere
CORRECT ANSWER
B. Watt
Question 2
What is the term used to express the amount of electrical energy stored in an electrostatic
field?
A. Joules
B. Coulombs.
C. Watts.
D. Volts
CORRECT ANSWER
A. Joules
Question 3
1
,What will produce a magnetic field?
A. DC source not connect to a circuit
B. The presence of a voltage across a capacitor.
C. A current flowing through a conductor.
D. The force that drives current through a resistor.
CORRECT ANSWER
C. A current flowing through a conductor.
Question 4
What is meant by the term "back emf"?
A. A current equal to the applied EMF.
B. An opposing EMF equal R times C (RC) percent of the applied EMF.
C. A voltage that opposes the applied EMF
D. A current that opposes the applied EMF
CORRECT ANSWER
C. A voltage that opposes the applied EMF
Question 5
Which metal object may be least affected by galvanic corrosion what submerged in
saltwater?
A. Aluminum outdrive
B. Bronze through-hull
C. Exposed lead keel
2
,D. Stainless steel propeller shaft.
CORRECT ANSWER
D. Stainless steel propeller shaft.
Question 6
Corrosion resulting from electric current flow between dissimilar metals is called:
A. Electrolysis
B. Stray current corrosion
C. Oxygen starvation corrosion
D. Galvanic corrosion
CORRECT ANSWER
D. Galvanic corrosion
Question 7
Good conductors with minimum resistance have what type of electrons?
A. Few free electrons
B. No electrons
C. Some free electrons
D. Many free electrons
CORRECT ANSWER
D. Many free electrons
3
, Question 8
Which of the 4 groups of metals listed below are the best low-resistance conductors?
A. Gold, silver, and cooper
B. Stainless steel, bronze, and lead
C. Iron, lead, and nickel
D. Bronze, zinc, and manganese
CORRECT ANSWER
A. Gold, silver, and cooper
Question 9
What limits maximum forward current in a junction diode?
A. The peak inverse voltage (PIV)
B. The junction temperature
C. The foward voltage.
D. The back EMF
CORRECT ANSWER
B. The junction temperature
Question 10
MOSFETs are manufactured with THIS protective device built into their gate to protect the
device from static charges and excessive voltages:
A. Schottky
B. Metal oxide varistor
4
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
What is the basic unit of electrical power?
A. Ohm
B. Watt
C. Volt
D. Ampere
CORRECT ANSWER
B. Watt
Question 2
What is the term used to express the amount of electrical energy stored in an electrostatic
field?
A. Joules
B. Coulombs.
C. Watts.
D. Volts
CORRECT ANSWER
A. Joules
Question 3
1
,What will produce a magnetic field?
A. DC source not connect to a circuit
B. The presence of a voltage across a capacitor.
C. A current flowing through a conductor.
D. The force that drives current through a resistor.
CORRECT ANSWER
C. A current flowing through a conductor.
Question 4
What is meant by the term "back emf"?
A. A current equal to the applied EMF.
B. An opposing EMF equal R times C (RC) percent of the applied EMF.
C. A voltage that opposes the applied EMF
D. A current that opposes the applied EMF
CORRECT ANSWER
C. A voltage that opposes the applied EMF
Question 5
Which metal object may be least affected by galvanic corrosion what submerged in
saltwater?
A. Aluminum outdrive
B. Bronze through-hull
C. Exposed lead keel
2
,D. Stainless steel propeller shaft.
CORRECT ANSWER
D. Stainless steel propeller shaft.
Question 6
Corrosion resulting from electric current flow between dissimilar metals is called:
A. Electrolysis
B. Stray current corrosion
C. Oxygen starvation corrosion
D. Galvanic corrosion
CORRECT ANSWER
D. Galvanic corrosion
Question 7
Good conductors with minimum resistance have what type of electrons?
A. Few free electrons
B. No electrons
C. Some free electrons
D. Many free electrons
CORRECT ANSWER
D. Many free electrons
3
, Question 8
Which of the 4 groups of metals listed below are the best low-resistance conductors?
A. Gold, silver, and cooper
B. Stainless steel, bronze, and lead
C. Iron, lead, and nickel
D. Bronze, zinc, and manganese
CORRECT ANSWER
A. Gold, silver, and cooper
Question 9
What limits maximum forward current in a junction diode?
A. The peak inverse voltage (PIV)
B. The junction temperature
C. The foward voltage.
D. The back EMF
CORRECT ANSWER
B. The junction temperature
Question 10
MOSFETs are manufactured with THIS protective device built into their gate to protect the
device from static charges and excessive voltages:
A. Schottky
B. Metal oxide varistor
4
