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
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
2µF এবং 1mu*F ধারকদ্বয়ের শ্রেণি সংযোগের ক্ষেত্রে তুল্য ধারকত্ব কত? (A 2mu*F and a 1mu*F capacitor is connected in series. What will be the equivalent capacitance?)
A 3 μF
B  13μF
C  23μF
D  32μF
Total parallel capacitance is less than that of the smallest capacitor in parallel.
A True
B False
In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to
A improve power factor
B increase overload capacity
C reduce fluctuations in torque
D to improve torque
A capacitance is a circuit component that opposes the change in circuit
A current
B voltage
C impedance
D none of the above
A leakage capacitor can be represented by a capacitance C and resistance R in parallel C.
A True
B False
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

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