Recent questions and answers in Battery

1 answer 47 views

For a given base voltage and base volt-amperes, the per unit impedance value is x. For the doubled base values of both voltage and volt-amperes, the per unit impedance will be (a) 2x (b) 0.25x (c) 0.5x (d) no change 

answered Jul 23, 2018 in Battery
1 answer 866 views

The capacity of a battery is measured in (a) Watts (b) Watt-hours (c) Amperes (d) Ampere-hours 

answered Jun 1, 2018 in Battery
1 answer 16 views

The best indication about the state of charge on a lead acid battery is given by_______.

answered May 29, 2018 in Battery
0 answers 23 views

The output voltage of a battery drops from 100 V with zero load current to 80 V when load current is 2 A. The internal resistance of the battery is (a) 10 Ω (b) 20 Ω (c) 40 Ω (d) 50 Ω

asked May 25, 2018 in Battery
0 answers 29 views

For a battery with constant voltage, the reflection coefficient is (a) ∞ (b) – 1 (c) 1 (d) 0 

asked May 25, 2018 in Battery
1 answer 3 views

When cells are arranged in parallel:

answered May 22, 2018 in Battery
1 answer 14 views

A battery of 40 V and three capacitors of 1000 μF, 500 μF and 100 μF are all connected in (I) parallel and (II) series. The ratio of total charge stored in case I to that in case II is approximately  (a) 3 : 64 (b) 64 : 3 (c) 160 : 3 (d) 104 : 5

answered May 15, 2018 in Battery
1 answer 11 views

Unit to measure capacity of battery is

answered May 15, 2018 in Battery
1 answer 17 views

The condition of electrolyte in a battery is measured in terms of

answered May 15, 2018 in Battery
1 answer 132 views

A 120 Ah capacity battery can deliver a current of 8A for a period of

answered May 14, 2018 in Battery
1 answer 21 views

Which gas is produced during charging of a lead-acid battery

answered May 14, 2018 in Battery
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