charged ions
chemical energy
electrostatic energy
electromagnetic energy
Answer is Right!
Answer is Wrong!
Detailed SolutionIn a lead-acid battery the energy is stored in the form of
Electrolysis and storage of batteries
32. The current flow through electrolyte is due to the movement of
ions
holes
electrons
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionThe current flow through electrolyte is due to the movement of
33. _______ of electrolyte indicates the state of charge of the battery
colour
mass
viscosity
specific gravity
Answer is Right!
Answer is Wrong!
Detailed Solution_______ of electrolyte indicates the state of charge of the battery
34. Satellite power requirement is provided through
solar cells
dry cells
nickel-cadmium cells
lead-acid batteries
Answer is Right!
Answer is Wrong!
Detailed SolutionSatellite power requirement is provided through
35. A constant-voltage generator has
minimum efficiency
minimum current capacity
low internal resistance
high internal resistance
Answer is Right!
Answer is Wrong!
36. Hydrogen evolved during charging produces explosive mixture when it is more than
2%
4%
6%
8%
Answer is Right!
Answer is Wrong!
Detailed SolutionHydrogen evolved during charging produces explosive mixture when it is more than
37. The lead-acid cell should never be discharged beyond
1.8 V
1.9 V
2 V
2.1 V
Answer is Right!
Answer is Wrong!
Detailed SolutionThe lead-acid cell should never be discharged beyond
38. When the load resistance equals the generator resistance which of the following will be maximum ?
Current
Efficiency of the circuit
Power in the load resistance
Voltage across the load resistance
Answer is Right!
Answer is Wrong!
39. The body of Edison cell is made of
bakelite
rubber
nickel plated steel
aluminium
Answer is Right!
Answer is Wrong!
40. Weston standard cell at 20°C has voltage of ____ volts.
0.8
0.9
1.0187
1.5
Answer is Right!
Answer is Wrong!
Detailed SolutionWeston standard cell at 20°C has voltage of ____ volts.