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
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
For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as
A 2E
B 3E
C 4E
D 6E
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.
A Plane
B Curved
C Ribbed
D Either A or B
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.
A 45
B 60
C 80
D 95
Capacitance is directly proportional to plate area and plate separation.
A True
B False
In a two value capacitor motor, the capacitor used for running purposes is
A air capacitor
B paper spaced oil filled type
C ceramic type
D a.c. electrolytic type
When a capacitor was connected to the terminal of ohmmeter, the pointer indicated a low resistance initially and then slowly came to infinity position. This shows that capacitor is
A Short-circuited
B All right
C Faulty
D None of the above
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 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

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