is that property of a capacitor which delays any change of voltage across it ?

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 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

3. 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

4. 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

5. 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

6. When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of_____________?

   A. 2 joules
   B. 4 joules
   C. 6 joules
   D. 8 joules

7. capacitor is to have an energy content of 20J it must be placed across a potential difference of________________?

   A. 4 volts
   B. 9 volts
   C. 2 volts
   D. 1 vol

8. Two plates of a parallel plate capacitor after being charged from a constant voltage source are separated apart by means of insulated handles, then the____________?

   A. Voltage across the plates increases
   B. voltage across the plates decreases
   C. charge on the capacitor decreases
   D. charge on the capacitor increases

9. In a cable capacitor, voltage gradient is maximum at the surface of the______________?

   A. earth
   B. conduction
   C. sheath
   D. insulator

10. Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules_______________?

    A. CV2
    B. C2V
    C. CV2
    D. CV