who invented bulb?

Related Mcqs:

1. According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________?

   A. 1 hours B. 5 hours C. 10 hours D. 15 hours Submitted by: WIQAR AHMAD...

2. According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in_________?

   A. 2 hours B. 5 hours C. 8 hours D. 10 hours Submitted by: Ashfaque Ali Khoso...

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

   A. Nitrogen B. Hydrogen C. Carbon dioxide D. Oxygen Submitted by: Muhammad Ali Kunbhar...

4. Battery was invented by__________?

   A. Nicolas Léonard Sadi Carnot B. Alessandro Volta C. Michael Faraday D. Friedrich Bessel Submitted by: Danish Balani...

5. Telephone was invented by__________?

   A. Vint Cerf B. Charles Babbage C. Edison D. Alexander Graham Bell Submitted by: Jawaid Ahmed...

6. Who invented “Aspirin” in 1897?

   A. Barnard B. Newton C. Felix Hoffmann D. McLeod Submitted by: Asad Ullah Afridi...

7. What “Enrico Fermi” invented?

   A. X ray machine B. Betatron C. Cyclotron D. Nuclear reactor Submitted by: Rashid Mehmood...

8. Fan was invented by___________?

   A. Arthur Schimit B. Alfered Nobel C. Skaats Wheeler D. None of these Submitted by: Haziq...

9. Electric motor was invented by __________ ?

   A. Michael Faraday B. Oliver Evans C. Thomas Edison D. Horace Day Submitted by: Rashid Mehmood...

10. Stethoscope was invented by _______ ?

    A. Rene Laennec B. Steven Sasson C. Martin Cooper D. Dave Hyatt Submitted by: Rashid Mehmood...