Related Questions

পাত-দূরত্ব d এবং ধারকত্ব C. এমন একটি সমান্তরাল পাত ধারকের পাত দুটির মাঝখানে d/2 পুরুত্ববিশিষ্ট একটি ধাতব পাত স্থাপন করা হলো। নতুন ধারকত্ব কত হবে? (A metal plate of thickness d/2 is inserted between the plates of a parallel plate capacitor with plate separation d and capacitance C. What is the new capacitance?)
A C/d
B C/2
C 4Cd
D 2c
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
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
The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as
A Active transducer
B Primary sensor
C Passive transducer
D Self generating transducer
The variation in the volume of a liquid with the variation of pressure is called its
A Surface tension
B Compressibility
C Capillarity
D Viscosity
A leakage capacitor can be represented by a capacitance C and resistance R in parallel C.
A True
B False
Total parallel capacitance is less than that of the smallest capacitor in parallel.
A True
B False
The capacitance of a capacitor is not affected by
A distance between plates
B area of plates
C thickness of plates
D all of the above
The total capacitance of a series capacitor circuit is:
A equal to the sun of the individual capacitive-reactance values
B equal to the sum of the individual capacitance values
C equal to the source voltage divided by total current
D less than the value of the smallest capacitor
E None of the above
If the sheet of a bakelite is inserted between the plates of an air capacitor, the capacitance will
A decrease
B increase
C remains unchanged
D become zero

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