Grade 9 Electricity

Front

What happens to the current in a series circuit if the voltage is decreased?

Back

The current decreases.

Front

In a series circuit, which quantity remains the same throughout the circuit?

Back

Current.

Front

What is the electrical symbol for a lightbulb?

Back

Lightbulb.

Front

Which of the following is NOT a good insulator: rubber, wood, iron, or plastic?

Back

Iron.

Front

Why are homes not wired in series circuits?

Back

If you turn off one appliance, the rest will turn off.

Front

What is voltage?

Back

Voltage is the electrical potential difference between two points in a circuit.

Front

What is current?

Back

Current is the flow of electric charge in a circuit.

Front

What is resistance?

Back

Resistance is the opposition to the flow of current in a circuit.

Front

What is a parallel circuit?

Back

A parallel circuit is a circuit where there are multiple paths for current to flow.

Front

What happens to the total resistance in a parallel circuit when more resistors are added?

Back

The total resistance decreases.