Electricity Quiz

The wire in a circuit must be made out of what?

• Magnetic material
• Insulator material
• Heated material
• Conductive material

Materials that allow electricity to move easily through them are called what?

• Insulators 
• Conductors 
• Magnetic
• Electronic

Materials that do NOT allow electricity to easily move through them are called what?

• Insulators 
• Conductors 
• Magnetic 
• Electronic 

The same charges repel each other (negative and negative, positive and positive)

• True 
• False 

What charge does an electron have?

• negative (-)
• positive (+)
• neutral or no charge (0)

What unit is used to measure current?

• Ohms

• Omega

• Volts

• Amps

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

• 1/3 ohms

• 3 ohms

• 27 ohms

• 9 ohms

What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?

• 12 V

• 21 V

• 4/3 V

• 3/4 V

What is Resistance?

• The flow of electrons
• Electric potential difference
• A battery
• The ability to reduce the flow of electrons

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

• 25 V
• 10 V
• 2.5 V
• 0.4 V