Related Questions

In constant voltage charging method, the charging current from discharged to fully charged condition
A decreases
B increases
C remains constant
D none of the above
In constant-current charging method, the supply voltage from discharged to fully charged condition
A decreases
B increases
C remains constant
D none of the above
The time constant and R-C circuit may also be defined as the time during which the charging current falls to ______ percent of its initial maximum value,
A 37
B 42
C 63
D 73
Under normal charging rate, the charging current should be
A 10% of capacity
B 20% of capacity
C 30% of capacity
D 40% of capacity
The time constant of the capacitance circuit is defined as the time during which voltage
A Falls to 36.8% of its final steady value
B Rises to 38.6% of its final steady value
C Rises to 63.2% of its final steady value
D None of the above
As compared to constant-current system, the constant-voltage system of charging a lead acid cell has the advantage of
A reducing time of charging
B increasing cell capacity
C both (A) and (B)
D avoiding excessive gassing
The time constant of a first order process with resistance R and capacitance C is
A R + C
B R - C
C RC
D $$\frac{1}{{{\text{RC}}}}$$
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 capacitance is a circuit component that opposes the change in circuit
A current
B voltage
C impedance
D none of the above
The interest charged on a loan is Tk. p per Tk. 1,000 for the first month and Tk. q per Tk. 1,000 for each month after the first month. How much interest will be charged during the first three months on a loan of Tk. 10,000?
A 30p
B 30q
C 20p+10q
D 10p+20q

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