Electricity

Front

What type of current is produced by a battery?

Back

Direct current (DC)

Front

Which two objects will repel each other?

Back

A negatively charged balloon and a negatively charged sphere.

Front

What is the term for a continuous flow of electricity?

Back

Current

Front

What is the unit of measurement for electric current?

Back

Ampere (Amp)

Front

What color wire typically represents a hot wire in electrical systems?

Back

Red

Front

What is the difference between direct current (DC) and alternating current (AC)?

Back

DC flows in one direction, while AC changes direction periodically.

Front

What is the role of a circuit breaker in an electrical system?

Back

To protect the circuit from overload by interrupting the flow of electricity.

Front

What is the function of a resistor in an electrical circuit?

Back

To limit the flow of electric current.

Front

What is the relationship between voltage, current, and resistance as described by Ohm's Law?

Back

Voltage = Current x Resistance (V = I x R)

Front

What is the purpose of grounding in electrical systems?

Back

To provide a safe path for excess electricity to prevent shock or fire.