A. low capacitance
B. fixed capacitance
C. variable capacitance
D. large value of capacitance
Related Mcqs:
- 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 - An electrolytic capacitor can be used for_____________?
A. D.C. only
B. AC. only
C. both D.C. as well as A.C. - 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 - 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 - 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 - 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 - Voltage applied across a ceramic dielectric produces an electrolytic field 100 times greater than air. What will be the value of dielectric constant ________?
A. 50
B. 100
C. 150
D. 200 - 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 - Which capacitor will be physically smaller for the same ratings ___________?
A. Ceramic capacitor
B. Paper capacitor
C. Both will be of equal size
D. None of the above - 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
