CELL AND BATTERIES - Practice Mode

1) What is the effect on output power with respect to temperature in solar cells?

No effect on change in temperature Increases with increase in temperature Decreases with increase in temperature Decreases with decrease in temperature

Correct Answer: Decreases with decrease in temperature

2) What purpose the hydrometer is used during charging of battery?

Determine the AH capacity Assess the battery voltage level Assess the discharge level of battery Determine the specific gravity of electrolyte

Correct Answer: Determine the specific gravity of electrolyte

3) What is the formula for Faraday's first law of electrolysis?

M = Z/it M = Zit M = it/ Z M = Zt/i

Correct Answer: M = Zit

4) Which is used as an electrolyte in lead acid battery?

Hydrochloric acid Ammonium chloride Potassium hydroxide Diluted sulphuric acid

Correct Answer: Diluted sulphuric acid

5) What is the outcome at the positive plate, after the chemical reaction in lead acid battery during charging?

Sponge lead(Pb) Lead peroxide(PbO2) Lead sulphate(PbSO4) Lead sulphate + water

Correct Answer: Lead peroxide(PbO2)

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