Question

1. understanding the polarity of a power source such as a battery is critical when using a ground reference as only the negative terminal should be connected to the ground reference point.

true

false

Explanation:

Analyze the definition of a ground reference

A ground reference point in an electrical circuit is simply a common return path or a reference node relative to which other voltages are measured. It is an arbitrary reference point chosen for convenience.

Evaluate terminal connections to ground

Either the negative terminal or the positive terminal of a power source can be connected to the ground reference point. Connecting the negative terminal to ground creates a positive voltage system, while connecting the positive terminal to ground creates a negative voltage system. Both configurations are widely used in practical electronics and power systems (for example, positive ground systems in telecommunications and older vehicles). Therefore, it is incorrect to state that only the negative terminal should be connected to the ground reference point.

Answer:

• True
• False (Correct answer)