Related Questions

Which of the following factors adversely affects the capacity of the leadacid battery ?
A Temperature of surroundings
B Specific gravity of electrolyte
C Rate of discharge
D All of the above
The ampere-hour efficiency of a leadacid cell is normally between
A 20 to 30%
B 40 to 50%
C 60 to 70%
D 90 to 95%
Read the paragraph and answer the question-photosynthesis is a process in which radiant energy from sun is stored as chemical energy , which in turn is used to decompose carbon dioxide and water. The product of their decomposition are recombined into a new compound which successively builds, up into more and more complex organic substances like sugars, starches and cellulose that comprise the plant.The word stored in the paragraph is closest in morning to
A specified
B retained
C converted
D discovered
The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.
A Equal to
B One-half
C Twice
D Four times
একটি 4.5 μF এর ধারককে 12.0 V এর ব্যাটারীর সাথে সংযুক্ত করা হলো। ধারকটিতে সঞ্চিত শক্তির পরিমাণ কত? (A 12.0 V battery is connected to a 4.5 μF capacitor. How much energy is stored in the capacitor?)
A 1.24 ×10-4J
B 2.24 ×10-4J
C 3.24 ×10-4J
D 4.24 ×10-4J
In a battery cover is placed over the element and sealed to the top of the battery container. This is done
A to reduce evaporation of water from electrolyte
B to exclude dirt and foreign matter from the electrolyte
C to discharge both of the above functions
D to discharge none of the above functions
The battery is an electrochemical device, which means battery
A Makes chemicals by mechanical means
B Uses chemical action to provide electricity
C Has curved plates instead of flat plates
D Does not use an electrolyte
A battery is one type of power supply that converts chemical energy into electrical energy.
A True
B False
What form of energy is used to maintain an imbalance of charges between the terminals of a battery?
A Electronical energy
B Mechanical energy
C Chemical energy
D Solar energy
E None of the above
Semiconductor memory device in which stored data will remain permanently stored as long as power is supplied is --
A dynamic memory device
B storage device
C flash device
D static memory device

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