ELECTRICIAN 1st YEAR MODULE – Cell and Batteries

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1. QUESTION: What is the output voltage of lithium cell?

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2. What is the formula for Faraday's first law of electrolysis?

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3. What is the total voltage of the circuit?

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4. QUESTION: Which effect causes by passing electric current in liquids?

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5. What causes buckling defect in lead acid batteries?

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6. What is the Electro Chemical Equivalent (ECE) of silver?

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7. What is the total output voltage of the circuit?

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8. Which is used as positive electrode in dry cell?

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9. What does 'Z' represent in formula M=Z/it?

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10. Which part loses electrons during electrolysis?

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11. QUESTION: Which technique is used to control the corrosion of a metal surface?

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12. In which method the battery is charged at low current for long period?

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13. Which material is used as cathode (-ve) electrode in silver oxide battery?

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14. What is the effect if one cell is connected with reverse polarity in a parallel combination circuit?

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15. QUESTION: Which law secondary cell works?

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16. What is the function of fine selector switch in battery charger?

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17. QUESTION: What is the name of defect that bending of plates in secondary cells?

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18. Which instrument measures specific gravity of electrolyte in lead acid battery?

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19. What happens to terminal voltage when load increases?

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20. QUESTION: What is the unit of electric charge?

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21. What is the purpose of separator in lead acid battery?

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22. What is the effect of buckling defect in lead acid battery?

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23. Which type of inverter circuit?

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

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25. What purpose the hydrometer is used during charging of battery?

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26. Why the vent plug is kept open during charging of a battery?

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27. Which is used as an electrolyte in lead acid battery?

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28. How is local action defect prevented in voltaic cell?

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29. QUESTION: Which device converts sunlight into electrical energy?

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30. QUESTION: What is the method of charging if the battery is to be charged for short duration at higher rate?

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31. What is the outcome of the chemical reaction in negative plate of lead acid battery during discharging?

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32. How the hard sulphation defect in lead acid battery can be rectified?

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33. QUESTION: Which cell is most often used in digital watches?

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34. QUESTION: Which electrolyte used in carbon zinc dry cells?

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35. QUESTION: How the capacity of batteries is specified?

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36. QUESTION: Which material is used to make negative plates in lead acid battery?

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37. Which apparatus checks battery charging voltage condition?

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38. What is the Electro Chemical Equivalent (ECE) of copper?

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39. What is the effect on output power with respect to temperature in solar cells?

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