________________ cells converts solar energy into electrical energy?

Related Mcqs:

1. On a clear day at noon the solar energy reaching the earth is ____________________?

   A. 1.44kw/m2
   B. 1.4kw/m2
   C. 1 kw/m2
   D. none

2. Electrical energy is measured in___________________?

   A. watt
   B. horse power
   C. kilo watt
   D. kilowatt hour

3. Electrical energy is converted to heat at the rate of___________________?

   A. IRt
   B. I2R
   C. I2Rt
   D. VIt

4. Geothermal energy is a _______________________ source of energy?

   A. non-renewable
   B. stable
   C. renewable
   D. none of the above

5. In normal state of energy the incident high energy photons will be______________?

   A. Stimulated
   B. Absorbed
   C. Cause X-ray emission
   D. Cause laser production

6. The highest value of escape velocity in solar system is planet____________________?

   A. Earth
   B. Neptune
   C. Jupiter
   D. Moon

7. An inductor may store energy in ________________?

   A. Its electric field
   B. Its coils
   C. Its magnetic field
   D. Both electric and magnetic fields

8. An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?

   A. 2KWh
   B. 20KWh
   C. 6KWh
   D. 12KWh

9. When we excite some atoms by heat collision or electrical discharge they will________________?

   A. radiate electromagnetic energy with a continuous distribution of wavelength
   B. absorb particular wavelengths when white light is incident on them
   C. radiate electromagnetic energy of discrete characteristic wavelength
   D. emit either invisible or visible light

10. If electrical conductivity increases with the increase of temperature of a substance, then it is a:

    A. Semiconductor
    B. Conductor
    C. Insulator
    D. None of the above

    Submitted by: Naveed Tahir