Related Mcqs:

1. A transformer works on the principle of _______________?

   A. Self induction
   B. Mutual induction
   C. Generator
   D. Inverter

   Submitted by: Malik Asghar Hussain

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2. One of the following countries produces maximum energy from atomic reactors?

   A. France
   B. USA
   C. UK
   D. none
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3. First Atomic theory was proposed by?

   A. John Dalton
   B. E.Rutherford
   C. De Broglie
   D. D.I.Mendeleef

   Submitted by: ABDUL HAYEE

4. In an atomic nucleus, neutrons and protons are held together by: ___________?

   A. Gravitational forces
   B. Exchange forces
   C. Coulombic forces
   D. Magnetic forces

   Submitted by: Engr Allah Wadhayo

5. 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

6. 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

7. 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

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8. 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

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9. Quartz crystal in quartz watches work on the principle called?

   A. Photoelectric effect
   B. Stark effect
   C. Thermionic effect
   D. Piezo-electric effect
   E. None of these

10. SONAR is based on the principle of___________?

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

    Submitted by: Abid Otho

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