10 electrical engineering MCQ for freshers
Categories: MCQS
10 electrical engineering MCQ for freshers
Here are 10 multiple choice questions (MCQs) on basic electrical engineering concepts for freshers:
What is the SI unit of electric current?
a) Ampere
b) Volt
c) Ohm
d) Watt
Which material is commonly used for the core of an electromagnet?
a) Copper
b) Aluminum
c) Iron
d) Silver
What is the formula for Ohm's law?
a) V = IR
b) I = VR
c) R = VI
d) P = VI
What is the voltage across a closed switch in a simple series circuit?
a) Zero
b) Equal to the source voltage
c) Depends on the resistance
d) Half of the source voltage
What does a capacitor store?
a) Charge
b) Voltage
c) Current
d) Resistance
Which component is used to increase or decrease voltage in a circuit?
a) Resistor
b) Capacitor
c) Transformer
d) Diode
What is the unit of power?
a) Joule
b) Watt
c) Ampere
d) Volt
What does an inductor store?
a) Voltage
b) Current
c) Energy
d) Charge
What is the purpose of a diode in a circuit?
a) Amplify signals
b) Control voltage
c) Allow current to flow in one direction
d) Store energy
What is the function of a fuse in an electrical circuit?
a) Regulate current flow
b) Store energy
c) Protect against overcurrent
d) Control voltage
Answers:
a) Ampere
c) Iron
a) V = IR
a) Zero
a) Charge
c) Transformer
b) Watt
b) Current
c) Allow current to flow in one direction
c) Protect against overcurrent
I hope these questions help you in your preparation! If you have any further questions, feel free to ask.