Understanding Circuits and Energy Transfer

Front

How does energy transfer occur in a simple circuit with a battery and a light bulb?

Back

The battery converts chemical energy into electrical energy, which flows to the bulb.

Front

How can you determine if a circuit is open or closed without using any tools?

Back

By checking if the light bulb is on or off.

Front

What happens to the energy in a circuit when a light bulb is turned on?

Back

It is converted into light and heat.

Front

Which of the following components is necessary for a circuit to function?

• A resistor.
• A switch.
• A power source.
• A capacitor.

Back

A power source.

Front

What is the effect of adding more batteries in series to a circuit?

Back

It increases the total voltage.

Front

Energy transfer in a circuit with a motor:

Back

Electrical energy is converted into mechanical energy.

Front

Choose the correct sentence: This circuit will work because it is an open circuit, This circuit will work because it is a closed circuit., This circuit will NOT work because it is an open circuit., This circuit will NOT work because it is a closed circuit.

Back

This circuit will work because it is a closed circuit.

Front

In a ________ circuit there are multiple paths for the current to take.

Back

Parallel