Quiz: Electrical Circuits and Robots

What is the total resistance in a series circuit with three resistors of 2 Ω, 3 Ω, and 5 Ω?

• 10 Ω

• 5 Ω

• 3 Ω

• 2 Ω

In a parallel circuit, if one of the branches is removed, what happens to the total resistance?

• It increases

• It decreases

• It remains the same

• It becomes zero

Ohm's Law is represented by which of the following equations?

Which of the following is a characteristic of AC electricity?

• It flows in one direction only

• It has a constant voltage

• Electrons change direction and travel forward and back

• It is used in batteries

Tags

NGSS.MS-PS4-1

Which component is used to store electrical energy in a circuit?

• Resistor

• Capacitor

• Inductor

• Diode

What is the main difference between AC and DC electricity?

• AC is used in batteries, DC is used in homes

• AC changes direction, DC flows in one direction

• AC is safer than DC

• DC is used in power plants

In a robot or snap circuit, which component is typically used to control the direction and flow of electricity?

• Resistor

• Transistor

• Diode

• Capacitor

What is the function of a LED diode in an electrical circuit?

• To store energy

• To allow current to flow in one direction only

• To increase resistance

• To decrease voltage

What happens to the current in a series circuit if one of the component parts break?

• The current increases

• The current decreases

• The current stops

• The current remains the same

What is the unit of electrical resistance?

• Ampere

• Volt

• Ohm

• Watt