SPS10 electricity and magnetism

Front

Define electric current.

Back

It is a measure of the rate of flow of electric charge through a given cross-section of a conductor.

Front

What is an electric current flowing in one direction only?

Back

Direct current.

Front

What provides power for homes?

Back

Generator.

Front

What is an advantage of a parallel circuit?

Back

It is easy to control the load individually.

Front

What is current consisting of charges that move back and forth in a circuit?

Back

Alternating current.

Front

What is the unit of electric current?

Back

Ampere (A).

Front

What is the relationship between voltage, current, and resistance?

Back

Ohm's Law: V = I × R.

Front

What is the purpose of a circuit breaker?

Back

To protect an electrical circuit from damage caused by overload or short circuit.

Front

What is the difference between series and parallel circuits?

Back

In series circuits, components are connected end-to-end, while in parallel circuits, components are connected across common points.

Front

What is a conductor?

Back

A material that allows electric charges to flow through it easily.