Electrical Energy & Circuits

Multiple Choice

What is electrical energy?

• Energy associated with charges

• Energy that is stored in chemical bonds

• Energy that involves deformation

• Energy determined by the position of an object in a gravitational field

Multiple Choice

What is the difference between static electricity and current electricity?

• They are the same thing

• In static electricity the charges flow, whereas in current electricity like charges group together

• In static electricity like charges group together, whereas in current electricity the charges flow

• In static electricity the charges are large, where as in current electricity the charges are small

Match

Match the following:

• Electron

• Proton

• Neutron

• Nucleus

Negative charge

Positive charge

Neutral charge

Contains protons and neutrons

• Negative charge

• Positive charge

• Neutral charge

• Contains protons and neutrons

Multiple Select

Which of the following statements are true? Select all that apply.

• Like charges attract

• Opposite charges attract

• Like charges repel

• Two electrons would be attracted to each other

• Two protons would repel each other

Multiple Choice

True or false: Electrons flow towards the positive terminal of the battery.

• True

• False

Match

Match the following:

• Conductor

• Switch

• Electric circuit

• Insulator

• Resistor

Material that allows charge to flow

Can turn a circuit on or off

A path through which electrons flow

Material that does not allow charge to flow

Limits the flow of charge through an electrical circuit

• Material that allows charge to flow

• Can turn a circuit on or off

• A path through which electrons flow

• Material that does not allow charge to flow

• Limits the flow of charge through an electrical circuit

Match

Match the following

• Voltage

• Current

• Resistance

• Amps

• Ohms

Electrical potential difference between two terminals of a power source

Rate of flow of the charge

How difficult it is for charge to flow through a circuit

Unit of measurement for current

Unit of measurement for resistance

• Electrical potential difference between two terminals of a power source

• Rate of flow of the charge

• How difficult it is for charge to flow through a circuit

• Unit of measurement for current

• Unit of measurement for resistance

Multiple Select

How could you increase the brightness of an LED in a closed circuit? Select all that apply.

• Increase the voltage of the battery

• Add a resistor

• Add a second battery

• Remove an insulator

• Add a second LED

Multiple Choice

Which of the following images represents a closed circuit?

Draw

Draw a closed circuit with 1 LED and 1 battery. Draw an arrow to show the direction the electrons are flowing.

Draw

Draw a closed circuit with 2 batteries, 1 LED, and 1 resistor. Draw an arrow to show the direction the electrons are flowing.