• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

How Engineering Works

  • Home
  • About Us
  • Electrical Engineering
    • Interview Questions
  • Privacy Policy
  • Disclaimer
  • Contact Us
  • Blog

MCQ on Basic Electrical – 4

May 17, 2017 by admin

« Back         CONTENTS          Next »

 1. If the number of resistances are connected in series then the equivalent resistance is
(A) decreases.
(B) increases.
(C) remain same.
(D) none of the above.

Answer ⇓

           B 

 2. Which of the following is not a passive component?
(A) Inductor.
(B) Capacitor.
(C) Resistor.
(D) None of the above.

Answer ⇓

           D 

 3. Which of the following is an active component?
(A) Varactor.
(B) Potentiometer.
(C) Capacitor.
(D) Diode.

Answer ⇓

           D 

 4. The wire wound resistor are formed by the winding wire of
(A) tungsten.
(B) nichrome.
(C) manganin or eureka.
(D) copper or aluminium.

Answer ⇓

           C 

 5. The resistance of armature winding depends on
(A) length of conductor.
(B) cross-sectional area of the conductor.
(C) number of conductors.
(D) all of the above.

Answer ⇓

           D 

 6. Heat in a conductor is produced on the passage of electric current due to
(A) reactance.
(B) capacitance.
(C) impedance.
(D) resistance.

Answer ⇓

           D 

 7. The insulation on a current carrying conductor is provided
(A) to prevent leakage of current.
(B) to prevent shock.
(C) both of above factors.
(D) none of above factors.

Answer ⇓

           C 

 8. A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will
(A) decrease.
(B) increase.
(C) remain same.
(D) heater will burn out.

Answer ⇓

           B 

 9. Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as
(A) 5 : 2.
(B) 2 : 5.
(C) 3 : 2.
(D) 2 : 3.

Answer ⇓

           B 

 10. When one leg of parallel circuit is opened out the total current will
(A) reduce.
(B) increase.
(C) decrease.
(D) become zero.

Answer ⇓

           C 

 11. Ohm’s law is not applicable to
(A) linear circuits.
(B) vacuum tubes.
(C) carbon resistors.
(D) high voltage circuits.

Answer ⇓

           B 

 12. Lenz’s law is a consequence of the law of coservation of
(A) mass.
(B) charge.
(C) energy.
(D) momentum.

Answer ⇓

           C 

 13. A real current source has
(A) infinite internal resistance.
(B) Zero internal resistance.
(C) large internal resistance.
(D) small internal resistance.

Answer ⇓

           C 

 14. All good conductors have high
(A) conductance.
(B) resistance.
(C) reluctance.
(D) thermal conductivity.

Answer ⇓

           A 

 15. Voltage dependent resistors are usually made from
(A) charcoal.
(B) silicon carbide.
(C) nichrome.
(D) graphite.

Answer ⇓

           C 

« BACK                                        NEXT »


Also Read :

  • Why all the voltage levels are multiples of 11 kV? asked by Bahu
  • What is the function of a choke in tube light? asked by varu
  • What is the difference between Earthing and Grounding? asked by admin
  • What is the meaning of DYN11 in a transformer? asked by Hiter


INTERVIEW QUESTIONS

MCQ or Objective




Filed Under: Electrical MCQ Tagged With: Basic Electrical MCQ, Electrical Engineering MCQ, MCQ on Basic of Electrical Engineering

Primary Sidebar


MCQ on Basic Electrical


MCQ on Electrical Circuit Theory 


MCQ on Electrical Devices 


MCQ on Measuring Instruments 


MCQ on Engineering Materials 


MCQ on Power Generation 


MCQ on Switchgear and Protection  


MCQ on DC Machine 


MCQ on DC Generator 


MCQ on DC motor 


MCQ on Special Motor 


MCQ on Alternator 


MCQ on Synchronous Motor 


MCQ on Induction Motor 


MCQ on Transformer 


MCQ on Transmission and Distribution 


MCQ on Underground Cables



INTERVIEW QUESTIONS

MCQ or Objective





Recommended Post

MCQs on Power Generation

MCQs on Transmission and Distribution

MCQs on Transformer

Electrical Engineering Interview Questions

Differences between synchronous motor and induction motor?

Categories

  • Electrical Articles (19)
  • Electrical MCQ (75)
  • Electrical Questions (11)
  • Interviews Questions (7)
  • IQ Test (1)
  • Uncategorized (12)

Join Our Whatsapp Group


About Us | Privacy Policy | Disclaimer


Copyright@2017-2022