FE ELECTRICAL AND COMPUTER EXAM
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES 2026
Q&A | INSTANT DOWNLOAD PDF
1. What is the SI unit of electric charge?
A. Coulomb
B. Ampere
C. Volt
D. Ohm
Answer: A
The coulomb (C) is the SI unit of electric charge.
2. Which law states that the voltage across a conductor is directly
proportional to the current through it?
A. Kirchhoff’s Voltage Law
B. Ohm’s Law
C. Faraday’s Law
D. Lenz’s Law
Answer: B
Ohm’s Law defines the linear relationship V = IR.
3. A resistor has a resistance of 10 Ω and carries a current of 2 A.
What is the power dissipated?
A. 10 W
B. 20 W
C. 40 W
D. 100 W
, Answer: C
Power can be calculated using P = I²R = (2²)(10) = 40 W.
4. Which component stores energy in an electric field?
A. Inductor
B. Capacitor
C. Resistor
D. Transformer
Answer: B
A capacitor stores energy in an electric field between its plates.
5. What is the phase difference between voltage and current in a
purely inductive AC circuit?
A. 0°
B. 45°
C. 90°
D. 180°
Answer: C
In an inductor, current lags voltage by 90°.
6. Kirchhoff’s Current Law is based on which physical principle?
A. Conservation of energy
B. Conservation of charge
C. Conservation of mass
D. Conservation of momentum
Answer: B
KCL follows from the conservation of electric charge.
7. The impedance of a resistor in an AC circuit is:
A. Frequency dependent
B. Purely imaginary
C. Equal to its resistance
D. Zero
, Answer: C
A resistor’s impedance is real and equal to its resistance.
8. Which material is commonly used as a semiconductor?
A. Copper
B. Aluminum
C. Silicon
D. Iron
Answer: C
Silicon is the most widely used semiconductor material.
9. What is the binary equivalent of the decimal number 13?
A. 1010
B. 1101
C. 1110
D. 1001
Answer: B
13 in decimal equals 1101 in binary.
10. In a PN junction diode, current flows easily when the diode
is:
A. Reverse biased
B. Forward biased
C. At zero bias
D. Open circuited
Answer: B
Forward bias reduces the barrier potential, allowing current flow.
11. What does RMS stand for in AC analysis?
A. Relative Mean Square
B. Root Mean Square
C. Reactive Mean Signal
D. Real Magnitude Signal
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS RATIONALES 2026
Q&A | INSTANT DOWNLOAD PDF
1. What is the SI unit of electric charge?
A. Coulomb
B. Ampere
C. Volt
D. Ohm
Answer: A
The coulomb (C) is the SI unit of electric charge.
2. Which law states that the voltage across a conductor is directly
proportional to the current through it?
A. Kirchhoff’s Voltage Law
B. Ohm’s Law
C. Faraday’s Law
D. Lenz’s Law
Answer: B
Ohm’s Law defines the linear relationship V = IR.
3. A resistor has a resistance of 10 Ω and carries a current of 2 A.
What is the power dissipated?
A. 10 W
B. 20 W
C. 40 W
D. 100 W
, Answer: C
Power can be calculated using P = I²R = (2²)(10) = 40 W.
4. Which component stores energy in an electric field?
A. Inductor
B. Capacitor
C. Resistor
D. Transformer
Answer: B
A capacitor stores energy in an electric field between its plates.
5. What is the phase difference between voltage and current in a
purely inductive AC circuit?
A. 0°
B. 45°
C. 90°
D. 180°
Answer: C
In an inductor, current lags voltage by 90°.
6. Kirchhoff’s Current Law is based on which physical principle?
A. Conservation of energy
B. Conservation of charge
C. Conservation of mass
D. Conservation of momentum
Answer: B
KCL follows from the conservation of electric charge.
7. The impedance of a resistor in an AC circuit is:
A. Frequency dependent
B. Purely imaginary
C. Equal to its resistance
D. Zero
, Answer: C
A resistor’s impedance is real and equal to its resistance.
8. Which material is commonly used as a semiconductor?
A. Copper
B. Aluminum
C. Silicon
D. Iron
Answer: C
Silicon is the most widely used semiconductor material.
9. What is the binary equivalent of the decimal number 13?
A. 1010
B. 1101
C. 1110
D. 1001
Answer: B
13 in decimal equals 1101 in binary.
10. In a PN junction diode, current flows easily when the diode
is:
A. Reverse biased
B. Forward biased
C. At zero bias
D. Open circuited
Answer: B
Forward bias reduces the barrier potential, allowing current flow.
11. What does RMS stand for in AC analysis?
A. Relative Mean Square
B. Root Mean Square
C. Reactive Mean Signal
D. Real Magnitude Signal
