Lead Acid Battery

A 6 V lead acid battery has an internal resistance of 0.01 Ω. How much current will flow when the battery is short-circuited ?

• 1 A

• 6 A

• 100 A

• 600 A.

Five carbon zinc cells in series have an output of

• 1.5 V

• 5.0 A

• 7.5 V

• 10.0 A.

Cells are connected in parallel to

• increase the voltage output

• increases the internal resistance

• decreases the current capacity

• increases the current capacity.

Which of the following is the common voltage of automobile batteries

• 2 V

• 10 V

• 12 V

• 25 V

When the battery is being discharged, the terminal voltage decreases with

• increasing discharge rate

• decreasing state of charge

• decreasing temperature

• none of the above.

The capacity of a lead acid cell does not depends on its

• Temperature

• Rate of charge

• Rate of discharge

• Quantity of active material

Answer explanation

During charging of a battery the terminal voltage decreases with the _________ in temperature.

The capacity of a lead acid cell depends on

• Amperes

• Ampere-hours

• Watts

• Watt-hours

When the lead acid cell is fully charged,the electrolyte as assumes....... appearance

• Dull

• Reddish

• Bright

• Milky

In a lead acid cell, lead is called as

• Positive active material

• Negative active material

• Passive material

• None of the above

In a lead acid battery, separators are provided to

• Reduce internal resistance

• Facilitate flow of current

• Reduce tendency for polarisation

• Avoid internal short circuits