Electricity and Magnetism Review

Front

What is a fuse?

Back

A fuse is a safety device that contains a piece of metal that melts if it gets too hot, opening the circuit to prevent damage.

Front

What is an insulator?

Back

An insulator is a material through which electrons do NOT flow easily, preventing the conduction of electricity.

Front

What charge do plastic ink dots have in laser printers?

Back

Plastic ink dots have a positive charge.

Front

What does the Law of Conservation of Charge state?

Back

The Law of Conservation of Charge states that charge cannot be created or destroyed, but it can be transferred.

Front

Which of the following is NOT a good insulator of electric charge: skin, wood, plastic, rubber?

Back

Skin is NOT a good insulator of electric charge.

Front

What is a conductor?

Back

A conductor is a material that allows electrons to flow easily, facilitating the conduction of electricity.

Front

What is a circuit breaker?

Back

A circuit breaker is a safety device that automatically interrupts the flow of electricity in a circuit when it detects an overload or short circuit.

Front

What is static electricity?

Back

Static electricity is the buildup of electric charge on the surface of objects, often caused by friction.

Front

What is the difference between AC and DC current?

Back

AC (Alternating Current) changes direction periodically, while DC (Direct Current) flows in one direction only.

Front

What is electromagnetic induction?

Back

Electromagnetic induction is the process of generating electric current in a conductor by changing the magnetic field around it.