Related Questions

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
আপনার Mobile Set যদি ২০০৫ সালের পরে তৈরি হয়ে থাকে তবে এটাতে Lithium Battery ব্যবহৃত হয়েছে। নিচের কোন বক্তব্যটি সত্যি হলে উপরের বক্তব্যটি সঠিক হবে ?
A Lithium Battery শুধু Mobile Set ব্যবহৃত হয়
B Lithium Battery তৈরি হয়েছে ২০০৫ সালের পর
C শুধুমাত্র ২০০৫ সালের পরে তৈরি Mobile Set এ Lithium Battery ব্যবহৃত হয়
D শুধুমাত্র ২০০৫ সালের পরে তৈরি Mobile Set এ Lithium Battery থাকতে পারে
A new battery "for" domestic appliances "in the house" is "as" thin and "flexible" as paper.
A for
B in the house
C as
D flexible
Poles ; Magnet ::? : Battery
A Energy
B Power
C Terminals
D Cells
Six batteries are kept one above the other. Jumbo is just above Pick. The Volt is between Tank and Ping. Lift is between Jumbo and Tank. Which battery is at second position from the bottom?
A Pick
B Tank
C Volt
D Jumbo
The negative plates of a lead acid battery has
A Lead peroxide (PbO2)
B Spongy lead (Pb)
C Lead sulphate (PbSO4)
D Sulphuric acid (H2SO4)
The positive plates of a lead acid battery has
A Lead peroxide (PbO2)
B Spongy lead (Pb)
C Lead sulphate (PbSO4)
D Sulphuric acid (H2SO4)
During charging the specific gravity of the electrolyte of a lead-acid battery
A increases
B decreases
C remains the same
D becomes zero
While preparing electrolyte for a lead-acid battery
A water is poured into acid
B acid is poured into water
C anyone of the two can be added to other chemical
D none of the above

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