Electrical Engineering MCQ Questions with Answer
Categories: MCQS
Electrical Engineering MCQ Questions with Answer
Here are some multiple-choice questions (MCQs) related to electrical engineering along with their answers:
Question 1:
What is the SI unit of electric current?
A) Volts
B) Watts
C) Amperes
D) Ohms
Answer 1:
C) Amperes
Question 2:
What is the formula for Ohm's Law?
A) V = I/R
B) I = V/R
C) R = V/I
D) P = VI
Answer 2:
B) I = V/R
Question 3:
Which component stores electrical energy in a circuit?
A) Resistor
B) Capacitor
C) Inductor
D) Diode
Answer 3:
B) Capacitor
Question 4:
What type of material is typically used as a semiconductor in electronic devices?
A) Copper
B) Aluminum
C) Silicon
D) Gold
Answer 4:
C) Silicon
Question 5:
Which device is used to convert alternating current (AC) to direct current (DC)?
A) Transformer
B) Diode
C) Inductor
D) Capacitor
Answer 5:
B) Diode
Question 6:
What is the unit of power?
A) Joules
B) Volts
C) Watts
D) Amperes
Answer 6:
C) Watts
Question 7:
In a parallel circuit, what happens to the total resistance as you add more resistors?
A) Increases
B) Decreases
C) Stays the same
Answer 7:
B) Decreases
Question 8:
What is the purpose of a fuse in an electrical circuit?
A) To regulate voltage
B) To prevent overcurrent
C) To increase resistance
D) To amplify signals
Answer 8:
B) To prevent overcurrent
Question 9:
Which law states that the total current entering a junction is equal to the total current leaving the junction?
A) Kirchhoff's Voltage Law
B) Ohm's Law
C) Kirchhoff's Current Law
D) Faraday's Law
Answer 9:
C) Kirchhoff's Current Law
Question 10:
What does an oscilloscope measure?
A) Voltage
B) Current
C) Frequency
D) Waveform
Answer 10:
D) Waveform
Remember, it is important to study the concepts behind these questions and not just memorize the answers. Understanding the principles of electrical engineering will help you in both exams and practical applications.