Automotive Battery and Electrical

Front

What is the voltage of a fully charged automotive battery?

Back

12.6 volts.

Front

What happens when two batteries are connected in series?

Back

The voltage is the sum of the individual batteries' voltages.

Front

What happens when two batteries are connected in parallel?

Back

The voltage remains the same as one battery, but the capacity (amp-hours) increases.

Front

What is the first step before removing a starter from an engine?

Back

Disconnect the negative lead first from the battery.

Front

What is the open-circuit voltage of a fully charged 12-volt automotive battery?

Back

12.6 volts.

Front

When jump starting a vehicle, where should the last connection be made?

Back

The last connection should be to the engine block of the dead battery.

Front

What is the purpose of an automotive battery?

Back

To store electrical energy for starting the engine and powering electrical components.

Front

What is the difference between series and parallel battery connections?

Back

Series connections increase voltage; parallel connections increase capacity.

Front

What is the role of the alternator in a vehicle's electrical system?

Back

To charge the battery and power the electrical system while the engine is running.

Front

What safety precaution should be taken when working with automotive batteries?

Back

Always wear safety goggles and gloves to protect against acid and sparks.