how one can know the charging time, discharging time of a 12 VDC battery ? If

how one can know the charging time, discharging time of a
12 VDC battery ?
If i have a battery of 12 VDC , 4.0 AH , how long will it
take to charge from a charger (power supply) of input 220
V , Output 15 V and output current of 3000 mA and how long
will it take to discharge whether using or not ? How much
backup will it give ?

Question Posted / dineshdesh

1 Answers
3949 Views
ONGC, I also Faced
E-Mail Answers

how one can know the charging time, discharging time of a 12 VDC battery ? If i have a battery of..

Answer / k.prakashchandra

charging time =4/3 hours /efficiency.back up time 4/load in
amps .hours.

Is This Answer Correct ?

1 Yes

3 No

Post New Answer

More Electrical Engineering Interview Questions

why some harmonics are disturbing while the others not

1 Answers

why the under of transformer platform is filled with rock stones.

10 Answers TNEB Tamil Nadu Electricity Board,

Define working of prim mover governer in alternator?

1 Answers

what is mean by dry frequency

0 Answers Siemens, TCS,

Dyn1 transformer vector group testing how to do

0 Answers

What is the max demand on your transformer and your company?

10 Answers Bhel, CBRE, Core Consultants, HPL, IOCL, JLL, L&T, Lemon Tree, MNC, Rashmi, TATA, Tata Motors, Tata Power, Torrent Pharma,

what is differance between PT-100 and thermocouple?

1 Answers

what is the Connected Load (kW) or Contract Demand (kVA)of mahindra nasik plant??

0 Answers

What is the count of hvdc transmission lines in india?

0 Answers

7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

0 Answers

Installation method of self treated earth electrode.

0 Answers

What will happen if we parallel two transformer with different %impedace?

3 Answers

For more Electrical Engineering Interview Questions Click Here