ELECTRICIAN 1st YEAR MODULE – Cell and Batteries July 2, 2025June 30, 2025 by admin TRANSLATE THIS QUIZ IN YOUR LANGUAGE इस प्रश्नोत्तरी का अपनी भाषा में अनुवाद करें <<123456789101112131415161718192021222324252627282930313233343536373839>> 0% Question 1 of 39 1. QUESTION: What is the output voltage of lithium cell? 1.8 V 1.5 V 1.2 V 2.5 VQuestion 1 of 39Question 2 of 39 2. What is the formula for Faraday's first law of electrolysis? M = Zit M = Zt/i M = it/Z M = Z/itQuestion 2 of 39Question 3 of 39 3. What is the total voltage of the circuit? 9.0 Volt 1.5 Volt 6.0 Volt 7.5 VoltRate this question: Question 3 of 39Question 4 of 39 4. QUESTION: Which effect causes by passing electric current in liquids? Magnetic Lighting Chemical HeatingQuestion 4 of 39Question 5 of 39 5. What causes buckling defect in lead acid batteries? Charging with low rate for short period Keeping battery discharged for long periods Overcharging or over discharging Formation of sediments falling from platesQuestion 5 of 39Question 6 of 39 6. What is the Electro Chemical Equivalent (ECE) of silver? 0.1182 mg/coulomb 0.01182 mg/coulomb 0.001182 mg/coulomb 1.1182 mg/coulombQuestion 6 of 39Question 7 of 39 7. What is the total output voltage of the circuit? 3.0 V 1.5 V 0 V 4.5 VQuestion 7 of 39Question 8 of 39 8. Which is used as positive electrode in dry cell? Zinc Lithium Carbon CopperQuestion 8 of 39Question 9 of 39 9. What does 'Z' represent in formula M=Z/it? Mass deposited in grams Current in Amperes Time in seconds E.C.E of electrolyteQuestion 9 of 39Question 10 of 39 10. Which part loses electrons during electrolysis? Anode Separator Electrolyte CathodeQuestion 10 of 39Question 11 of 39 11. QUESTION: Which technique is used to control the corrosion of a metal surface? Cathodic protection Electrolytic protection Anodic protection Electrostatic protectionQuestion 11 of 39Question 12 of 39 12. In which method the battery is charged at low current for long period? Rectifier method Constant potential method Constant current method Trickle charging methodQuestion 12 of 39Question 13 of 39 13. Which material is used as cathode (-ve) electrode in silver oxide battery? Zinc Silver oxide Carbon CopperQuestion 13 of 39Question 14 of 39 14. What is the effect if one cell is connected with reverse polarity in a parallel combination circuit? Become open circuit Voltage become zero No effect will function normally Will get short circuitedQuestion 14 of 39Question 15 of 39 15. QUESTION: Which law secondary cell works? Joule's law Lenz's law Faradays laws of electrolysis Faradays laws of electromagnetic inductionQuestion 15 of 39Question 16 of 39 16. What is the function of fine selector switch in battery charger? Selection of charging method Selection of voltage range Selection of current rating Selection of charging timeQuestion 16 of 39Question 17 of 39 17. QUESTION: What is the name of defect that bending of plates in secondary cells? Hard sulphation Local action Buckling Partial shortQuestion 17 of 39Question 18 of 39 18. Which instrument measures specific gravity of electrolyte in lead acid battery? Anima meter Hydrometer Barometer High rate discharge testerQuestion 18 of 39Question 19 of 39 19. What happens to terminal voltage when load increases? Decreases Falls to zero Remains same IncreasesQuestion 19 of 39Question 20 of 39 20. QUESTION: What is the unit of electric charge? Watt Ampere Coulomb VoltQuestion 20 of 39Question 21 of 39 21. What is the purpose of separator in lead acid battery? To provide a path for electrolyte To avoid short between positive and negative plates To hold the positive and negative plate firmly To keep positive and negative plate in sequence arrayQuestion 21 of 39Question 22 of 39 22. What is the effect of buckling defect in lead acid battery? Bending of the electrodes Making short between electrodes Reducing strength of electrolyte Increasing internal resistanceQuestion 22 of 39Question 23 of 39 23. Which type of inverter circuit? Driven inverter SCR used inverter Two winding transformer inverter Single transistor inverterQuestion 23 of 39Question 24 of 39 24. What is the outcome at the positive plate, after the chemical reaction in lead acid battery during charging? Sponge lead (Pb) Lead sulphate(PbSO4) Lead peroxide(PbO2) Lead sulphate + waterQuestion 24 of 39Question 25 of 39 25. What purpose the hydrometer is used during charging of battery? Assess the battery voltage level Assess the discharge level of battery Determine the specific gravity of electrolyte Determine the AH capacityQuestion 25 of 39Question 26 of 39 26. Why the vent plug is kept open during charging of a battery? To check the level of electrolyte To check the colour changes in the plates To allow oxygen enter inside To escape the gas freelyQuestion 26 of 39Question 27 of 39 27. Which is used as an electrolyte in lead acid battery? Ammonium chloride Hydrochloric acid Potassium hydroxide Diluted sulphuric acidQuestion 27 of 39Question 28 of 39 28. How is local action defect prevented in voltaic cell? Connecting cells in series Using depolarizing agent Amalgamating zinc plate Connecting cells in parallelQuestion 28 of 39Question 29 of 39 29. QUESTION: Which device converts sunlight into electrical energy? Light emitting diode Photo voltaic cell Light dependent resistor Liquid crystal diodeQuestion 29 of 39Question 30 of 39 30. QUESTION: What is the method of charging if the battery is to be charged for short duration at higher rate? Freshening charge Trickle charge Initial charge Boost chargeQuestion 30 of 39Question 31 of 39 31. What is the outcome of the chemical reaction in negative plate of lead acid battery during discharging? Lead peroxide(PbO2) Lead sulphate + water Sponge lead(Pb) Lead sulphate(PbSO4)Question 31 of 39Question 32 of 39 32. How the hard sulphation defect in lead acid battery can be rectified? Recharging the battery for a longer period at low current Replacing with new electrodes Recharging the battery for short period at high current Changing with new electrolyteQuestion 32 of 39Question 33 of 39 33. QUESTION: Which cell is most often used in digital watches? Lithium Mercury Silver oxide VoltaicQuestion 33 of 39Question 34 of 39 34. QUESTION: Which electrolyte used in carbon zinc dry cells? Potassium hydroxide Concentrated hydrochloric acid Dilute sulphuric acid Ammonium chlorideQuestion 34 of 39Question 35 of 39 35. QUESTION: How the capacity of batteries is specified? Volt Volt Ampere Watt Ampere hourQuestion 35 of 39Question 36 of 39 36. QUESTION: Which material is used to make negative plates in lead acid battery? Lead dioxide Lead peroxide Sponge lead Lead sulphateQuestion 36 of 39Question 37 of 39 37. Which apparatus checks battery charging voltage condition? Hydrometer High rate discharge tester Multimeter VoltmeterQuestion 37 of 39Question 38 of 39 38. What is the Electro Chemical Equivalent (ECE) of copper? 1.1182 g/coulomb 0.329 g/coulomb 0.329 mg/coulomb 1.1182 mg/coulombQuestion 38 of 39Question 39 of 39 39. 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 temperatureQuestion 39 of 39 Loading...