Question 1 of 10
What is the primary function of a secondary battery (accumulator)?
Secondary batteries store electrical energy as chemical energy, which can be converted back to electricity when needed.
Question 2 of 10
What happens to the chemical reaction in a battery during charging?
During charging, the chemical reaction in the battery reverses, returning the battery to its charged state.
Question 3 of 10
Which plate in a lead-acid battery is typically the positive plate?
The positive plate in a lead-acid battery is made of lead peroxide (PbO2).
Question 4 of 10
What is the electrolyte used in a lead-acid battery?
Sulfuric acid (H2SO4) is used as the electrolyte in a lead-acid battery.
Question 5 of 10
What is reverse polarity in a battery connection?
Reverse polarity means connecting the positive and negative terminals incorrectly.
Question 6 of 10
What can happen to a charger if it is connected to a battery with reverse polarity?
Reverse polarity can damage the charger's internal components.
Question 7 of 10
If a charger has a lower rating than the battery capacity and is connected with reverse polarity, what may happen?
The circuit may overload and cause the circuit breaker to turn off
Question 8 of 10
What happens to the electrical current direction during discharging mode?
During discharge, conventional current flows from the positive terminal to the negative terminal of the battery.
Question 9 of 10
Which of the following describes the correct connection for charging a battery?
To charge a battery correctly, match the polarities: positive to positive and negative to negative.
Question 10 of 10
What might be observed if a battery is charged with reverse polarity?
Reverse polarity can cause sparks and permanent damage to the battery and or charger.
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