Q1. In a lead-acid battery

Q2. Which one of the following actions will occur during the discharging of the lead-acid storage battery?

Q3. Which of the following is a type of a valve regulated lead–acid (VRLA) battery?

Q4. A battery with a capacity of 1800 mAh is to be used in a device that draws 120 mA continuously. Ignoring possible loss in capacity as a result of load current magnitude, how long should the battery be able to deliver power?

Q5. Petroleum jelly is applied to the terminals of the lead acid battery in order to prevent

Q6. The internal resistance of a dry cell is of the order of

Q7. Nickel-iron cell has ............... weight and ................. life than that of a lead-acid cell.

Q8. Consider the series connection of batteries as shown in Fig. The total energy storage is

Q9. Consider the following statements and choose the correct option.
Statement 1: The specific gravity of the electrolyte in a lead-acid cell decreases as the charge in the cell decreases.
Statement 2: The energy density of lithium-ion is typically twice that of the standard nickel-cadmium cell.

Q10. Determine the discharge time and average current output of a battery with a capacity rating of 1000 mAh if it is discharged at 0.5 C.