Who discovered the law of attraction and repulsion in electric charges?

Related Mcqs:

1. What is the name of newsly discovered galaxy which may be the earliest and most distant galaxy ever discovered in April 2022?

   A. HD1
   B. GN-z11
   C. Milky way
   D. None of these

   Submitted by: adeel2550

2. The SI unit of electric current is?

   A. Coloumb
   B. Ampere
   C. Volt
   D. Watt

3. A device that converts mechanical energy into electric energy is called_______?

   A. Motor.
   B. Transformer.
   C. Coil.
   D. Generator.

4. Instrument that measure the electric force ________?

   A. Hygrometer
   B. Hydrometer
   C. Ammeter
   D. Voltmeter

   Submitted by: Rashid Mehmood

5. ______ is the “Work done in moving a unit charge between two points in an electric circuit”?

   A. Potential difference
   B. Current
   C. Power
   D. Resistence

   Submitted by: Malik Asghar Hussain

6. Which instrument is used to measure the power of electric circuit ?

   A. Wavemeter
   B. Viscometer
   C. Wattmeter
   D. None of these

   Submitted by: Rashid Mehmood

7. The gas usually filled in the electric bulb is___________?

   A. Nitrogen
   B. Hydrogen
   C. Carbon dioxide
   D. Oxygen

   Submitted by: Muhammad Ali Kunbhar

8. Electric motor was invented by __________ ?

   A. Michael Faraday
   B. Oliver Evans
   C. Thomas Edison
   D. Horace Day

   Submitted by: Rashid Mehmood

9. Which of the following are not deflected by electric and magnetic fields ?

   A. Alpha rays
   B. Beta rays
   C. Gamma rays
   D. None of these

   Submitted by: Aamir Balouch

10. A bird sitting on a high tension electric wire does not get electrocuted because:

    A. Sit has high resistance
    B. the body is earthed
    C. it does not form a closed path for the flow of current
    D. its feet are good insulators

    Submitted by: Abid Hussain