Electrolysis and storage of batteries

31. In a lead-acid battery the energy is stored in the form of

charged ions
chemical energy
electrostatic energy
electromagnetic energy

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href="https://exam.pscnotes.com/mcq/in-a-lead-acid-battery-the-energy-is-stored-in-the-form-of/#more-55550">Detailed SolutionIn a lead-acid battery the energy is stored in the form of

32. The current flow through electrolyte is due to the movement of

ions
holes
electrons
none of the above

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33. _______ of electrolyte indicates the state of charge of the battery

colour
mass
viscosity
specific gravity

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34. Satellite power requirement is provided through

solar cells
dry cells
nickel-cadmium cells
lead-acid batteries

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35. A constant-voltage generator has

minimum efficiency
minimum current capacity
low internal resistance
high internal resistance

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36. Hydrogen evolved during charging produces explosive mixture when it is more than

2%
4%
6%
8%

Detailed Solution

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class="screen-reader-text">Hydrogen 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

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81.2-142.7 81.2z"/> Subscribe on YouTube href="https://exam.pscnotes.com/mcq/the-lead-acid-cell-should-never-be-discharged-beyond/#more-54435">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

Detailed SolutionWhen the load resistance equals

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48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube
the generator resistance which of the following will be maximum ?

39. The body of Edison cell is made of

bakelite
rubber
nickel plated steel
aluminium

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24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTube href="https://exam.pscnotes.com/mcq/the-body-of-edison-cell-is-made-of/#more-54207">Detailed SolutionThe body of Edison cell is made of

40. Weston standard cell at 20°C has voltage of ____ volts.

0.8
0.9
1.0187
1.5

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class="screen-reader-text">Weston standard cell at 20°C has voltage of ____ volts.

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