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
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
In cables the charging current
A Lags the voltage by 90°
B Leads the voltage by 90°
C Lags the voltage by 180°
D Leads the voltage by 180°
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
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
In ______ system the charging current is intermittently controlled at either a maximum or minimum value
A two rate charge control
B trickle charge
C floating charge
D an equalizing charge
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
An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes---
A 10%
B 10.25%
C 10.75%
D 11%
Charging a sulphated battery at high rate results in
A boiling of electrolyte due to gassing
B warping of plates
C damage to separators, cell caps covers and battery case due to excessive temperature
D all above
Following will happen if battery charging rate is too high
A excessive gassing will occur
B temperature rise will occur
C bulging and buckling of plates will occur
D all above will occur

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