If an ohmmeter reading immediately goes practically to zero and stays there, capacitor is___________?

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. The ohmmeter reading for a short circuited capacitor is____________?

   A. infinity
   B. few kilo ohms
   C. few megohms
   D. zero

3. For a good 0.05 uF capacitor ohmmeter reading should___________?

   A. show low resistance momentarily and back off to a very high resistance
   B. show high resistance momentarily and then a very low resistance
   C. go quickly to 50 ohm approximately and remain there
   D. not move at all

4. 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

5. 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

6. 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

7. 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

8. 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

9. A potential of 400 V is applied to a capacitor, the plates of which are 4 mm apart. The strength of electric field is___________?

   A. 100 kV/m
   B. 10 kV/m
   C. 5 kV/m
   D. 2 kV/m

10. For making a capacitor, it is better to select a dielectric having___________?

    A. low permittivity
    B. high permittivity
    C. permittivity same as that of air
    D. permittivity slightly more than that of air