If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will__________?

Related Mcqs:

1. 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

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 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

5. 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

6. The capacitance between two plates increases with____________?

   A. shorter plate area and higher applied voltage
   B. shorter plate area and shorter distance between them
   C. larger plate area, longer distance between plates and higher,applied voltage
   D. larger plate area and shorter distance between plates

7. What is the value of capacitance that must be connected in parallel with 50 pF condenser to make an equivalent capacitance of 150 pF ?

   A. 50 pF
   B. 100 pF
   C. 150 pF
   D. 200 pF

8. When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will______________?

   A. remain uncharged
   B. decrease
   C. increase
   D. become zero

9. If free space between the plates of a capacitor is replaced by a dielectric_____________?

   A. The potential difference remains constant capacittance and energy stored increases
   B. The potential difference remains constant capacittance decreases and energy increases
   C. The potential difference decreases but both capacitance and energy increase
   D. both potential difference and capacitance decrease but energy increases

10. A capacitor stores 0.24 coulombs at 10 volts. Its capacitance is_____________?

    A. 0.024 F
    B. 0.12 F
    C. 0.6 F
    D. 0.8 F