A transformer works on the principle of _______________?

Related Mcqs:

1. Atomic power plant works on the principle of?

   A. fission
   B. fusion
   C. thermal combustion
   D. combined effect of all the above three

   Submitted by: Malik Asghar Hussain

2. The vitamin Folate works together with __________ to produce new red blood cells?

   A. Vitamin D
   B. Vitamin A
   C. Vitamin B-12
   D. None of the above

   Submitted by: Anand Hanjhro

3. Photography works by?

   A. Capturing the souls of the objects being photographed
   B. Capturing light reflected from the objects being photographed 
   C. Both A & B
   D. None of these

   Submitted by: Mansoor Ahmed Suhag

4. A photostat machine works on _____________?

   A. electromagnetic image making
   B. magnetic image making
   C. thermal image making
   D. electrostatic image making

   Submitted by: Abid Hussain

5. The spray bottles used as window or household cleaner or perfume spray works on: __________?

   A. Capillary action
   B. Bernoulli’s Principle
   C. Pascal’s Law
   D. Stoke’s Law

   Submitted by: Abid Hussain

6. The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?

   A. red waves
   B. Infrared waves
   C. Ultrasonic
   D. super sonic
   E. None of these

7. Persistance of vision is the principle behind?

   A. Camera
   B. Spectroscope
   C. Cinema
   D. Periscope

   Submitted by: Malik Asghar Hussain

8. Washing machine is working on the principle of?

   A. Photoelectric effect
   B. Electric-magnetic induction
   C. Centrifugation
   D. None of these

   Submitted by: fahad mehsud

9. Hydrogen bomb is based on the principle of ________ ?

   A. Nuclear fusion
   B. Artificial radioactivity
   C. Natural radioactivity
   D. Nuclear fission

   Submitted by: Rashid Mehmood

10. SONAR is based on the principle of___________?

    A. Echo
    B. reverberation
    C. resonance
    D. None of these

    Submitted by: Abid Otho