Related Questions

Electrolyte used in an Edison cell is
A NaOH
B KOH
C HCl
D HNO3
Self charge of a Ni-Fe cell is _____ Edison cell.
A Equal to
B Less than
C More than
D Much more than
The internal resistance of a lead-acid cell is that of Edison cell
A Less than
B More than
C Equal to
D None of the above
Life of the Edison cell is at least
A five years
B seven years
C eight years
D ten years
On the average the ampere-hour efficiency of an Edison cell is about
A 40%
B 60%
C 70%
D 80%
Negative plate of an Edison cell is made of
A copper
B lead
C iron
D silver oxide
The body of Edison cell is made of
A bakelite
B rubber
C nickel plated steel
D aluminium
A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will
A Sink to bottom
B Float over fluid
C Partly immersed
D Be fully immersed with top surface at fluid surface
A metal with specific gravity of o floating in a fluid of same specific gravity a will
A sink to bottom
B float over fluid
C partly immersed
D be fully immersed with top surface at fluid surface
Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of
A Powder & grannular solids
B Liquids
C Low melting point semi-solids
D All of the above

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