Understanding Basic Electronics Concepts

What is the role of a resistor in a circuit?

• It increases the speed of electrons.

• It slows down electrons.

• It provides multiple paths for electrons.

• It generates electricity.

Which component is used to adjust resistance in a circuit?

• LED bulb

• Servo

• Trimpot

• Neopixel

In a parallel circuit, how do electrons flow?

• In one path only

• In multiple paths

• They do not flow

• In a circular path

What is the function of a breadboard in a circuit?

• It generates electricity.

• It provides a platform to plug in circuit components.

• It measures voltage.

• It acts as a power source.

What is the typical voltage output of a wall outlet?

• 3 Volts

• 5 Volts

• 110 Volts

• 220 Volts

Which wire in an LED bulb is positive?

• Short wire

• Long wire

• Red wire

• Blue wire

What is the main purpose of a breaker box in a house?

• To generate electricity

• To control electricity to different parts of the house

• To store electricity

• To convert electricity

What is the voltage level of a USB cord?

• 3 Volts

• 5 Volts

• 12 Volts

• 110 Volts

What is the function of a button in a circuit?

• To increase resistance

• To turn things on or off with a push

• To change the color of a light

• To measure current

What is the output voltage of a Microbit?

• 1 Volt

• 3 Volts

• 5 Volts

• 9 Volts