FCC GROL ELEMENT 3 |ACTUAL QUESTIONS AND
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
3-1A1 The product of the readings of an AC voltmeter and AC ammeter is called:
A. Apparent power.
B. True power.
C. Power factor.
D. Current power.
CORRECT ANSWER
Answer A. Apparent power.
Question 2
3-1A2 What is the basic unit of electrical power?
A. ohm.
B. Watt.
C. Volt.
D. Ampere.
CORRECT ANSWER
Answer B. Watt.
Question 3
1
,3-1A3 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
Answer A: Joules
Question 4
3-1A4 What device is used to store electrical energy in an electorstatic field?
A. Battery
B. Transformer
C. Capacitor
D. Inductor
CORRECT ANSWER
Answer C: Capacitor
Question 5
3-1A5 What formula would determine the inductive reactance of a coil if frequency and
coil inductance are known?
A. XL = πf L
B. XL = 2πf L
2
,C. XL = 1/2πf C
D. XL = 1/R2 + X2
CORRECT ANSWER
Answer B: XL = 2πf L
Question 6
3-1A6 What is the term for the out-of-phase power associated with inductors and
capacitors?
A. Effective power
B. True power
C. Peak envelope power
D. Reactive power
CORRECT ANSWER
Answer D: Reactive power
Question 7
3-2A1 What determines the strength of the magnetic field around a conductor?
A. The resistance divided by the current
B. The reaction of the current to the resistance
C. The diameter of the conductor
D. The amount of current
CORRECT ANSWER
Answer D: The amount of current
3
, Question 8
3-2A2 What will produce a magnaetic field?
A. A DC source not connected 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
Answer C: A current flowing through a conductor
Question 9
3-2A3 When induced currents produce expanding magnetic fields around conductors in a
direction that opposes the original magnetic field, this is known as:
A. Lenz's law
B. Gilbert's law
C. Maxwell's law
D. Norton's law
CORRECT ANSWER
Answer A: Lenz's law
Question 10
3-2A4 The opposition to the creation of magnetic lines of force in a magnetic circuit is
known as:
4
VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
3-1A1 The product of the readings of an AC voltmeter and AC ammeter is called:
A. Apparent power.
B. True power.
C. Power factor.
D. Current power.
CORRECT ANSWER
Answer A. Apparent power.
Question 2
3-1A2 What is the basic unit of electrical power?
A. ohm.
B. Watt.
C. Volt.
D. Ampere.
CORRECT ANSWER
Answer B. Watt.
Question 3
1
,3-1A3 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
Answer A: Joules
Question 4
3-1A4 What device is used to store electrical energy in an electorstatic field?
A. Battery
B. Transformer
C. Capacitor
D. Inductor
CORRECT ANSWER
Answer C: Capacitor
Question 5
3-1A5 What formula would determine the inductive reactance of a coil if frequency and
coil inductance are known?
A. XL = πf L
B. XL = 2πf L
2
,C. XL = 1/2πf C
D. XL = 1/R2 + X2
CORRECT ANSWER
Answer B: XL = 2πf L
Question 6
3-1A6 What is the term for the out-of-phase power associated with inductors and
capacitors?
A. Effective power
B. True power
C. Peak envelope power
D. Reactive power
CORRECT ANSWER
Answer D: Reactive power
Question 7
3-2A1 What determines the strength of the magnetic field around a conductor?
A. The resistance divided by the current
B. The reaction of the current to the resistance
C. The diameter of the conductor
D. The amount of current
CORRECT ANSWER
Answer D: The amount of current
3
, Question 8
3-2A2 What will produce a magnaetic field?
A. A DC source not connected 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
Answer C: A current flowing through a conductor
Question 9
3-2A3 When induced currents produce expanding magnetic fields around conductors in a
direction that opposes the original magnetic field, this is known as:
A. Lenz's law
B. Gilbert's law
C. Maxwell's law
D. Norton's law
CORRECT ANSWER
Answer A: Lenz's law
Question 10
3-2A4 The opposition to the creation of magnetic lines of force in a magnetic circuit is
known as:
4
