Electrical resonance is observed in_______________?

Related Mcqs:

1. The sharpness of resonance is__________________?

   A. Directly proportional to the damping force
   B. Inversely proportional to the damping force
   C. Equal to the square of damping force
   D. Equal to the square of damping force

2. Which one does not work according to resonance ?

   A. T.V
   B. Radio
   C. Microwave oven
   D. Bulb

3. The energy absorbed by a body is __________________ at resonance?

   A. Maximum as well minimum
   B. Minimum only
   C. Maximum only
   D. 0

4. At resonance the value of the power factor in an L-C-R series circuit is_______________?

   A. Zero
   B. 2
   C. 1
   D. Not definite

5. All electrical appliances are connected in parallel to each other between the main line and neutral wire to get ______________________?

   A. same current
   B. same current and potential difference
   C. different current but same potential difference
   D. different current and potential differences

6. Electrical energy is measured in___________________?

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

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

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

8. ________________ cells converts solar energy into electrical energy?

   A. rotory
   B. photovoltaic
   C. galvanic
   D. non of these

9. With increase in temperature the electrical conductivity of intrinsic semi conductor___________________?

   A. Decreases
   B. Increases
   C. Remains same
   D. First increases then decreases

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