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