The capacity of capacitor bank used in power factor correction is expressed in terms of____________?

Related Mcqs:

1. While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is____________?

   A. short-circuited
   B. open circuited
   C. alright
   D. leaky

2. A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance _______?

   A. Ceramic capacitor
   B. Mica capacitor
   C. Both will have identical value of capacitance
   D. It depends on applied voltage

3. A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is__________?

   A. 50 joules
   B. 150 joules
   C. 200 joules
   D. 250 joules

4. A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?

   A. Paper capacitor
   B. Ceramic capacitor
   C. Electrolytic capacitor
   D. Any-of the above

5. A 5 μF capacitor has a potential difference across its plates of 200 volts. The charge on the capacitor is____________?

   A. 2.5 x 10-8 C
   B. 10-5 C
   C. 103 C
   D. 4 x 103 C

6. The power dissipated in a pure capacitor is______________?

   A. zero
   B. proportional to applied voltage
   C. proportional to value of capacitance
   D. both (B) and (C) above

7. The dissipation factor of a good dielectric is of the order of____________?

   A. 0.0002
   B. 0.002
   C. 0.02
   D. 0.2

8. Three capacitors each of the capacity C are given. The resultant capacity 2/3 C can be obtained by using them_____________?

   A. all in series
   B. all in parallel
   C. two in parallel and third in series with this combination
   D. two in series and third in parallel across this combination

9. For which of the following parameter variation, the capacitance of the capacitor remains unaffected ____________?

   A. Distance between plates
   B. Area of the plates
   C. Nature of dielectric
   D. Thickness of the plates

10. If mica sheet is placed between the plates of a capacitor the capacity_______________?

    A. increases
    B. decreases
    C. increases then decreases
    D. decreases then increases