Grade 6 - ATL Quiz 2

What is the primary purpose of a breadboard?

• To create temporary electrical circuits without soldering

• To permanently connect components

• To store energy

• To program microcontrollers

Which type of connection does a breadboard have in its rows?

• Horizontal connections

• Vertical connections

• Diagonal connections

• Circular connections

What is the function of the power rail in a breadboard?

• To connect components in a series circuit

• To provide power and ground connections

• To create loops in circuits

• To store data

What is an open circuit?

• A circuit where current flows continuously

• A circuit where there is a break, and current cannot flow

• A circuit with low resistance

• A circuit with high voltage

What happens in a closed circuit?

• Current flows uninterrupted through the circuit

• Current stops flowing due to a broken connection

• Current fluctuates between different paths

• Voltage is zero

Which of the following is an example of an open circuit?

• A light switch in the 'off' position

• A running fan

• A charging phone

• A car engine running

How many LEDs are typically used in a traffic light circuit?

• One

• Two

• Three

• Four

Which color LED represents 'stop' in a traffic light?

• Red

• Green

• Yellow

• Blue

What controls the timing of the LED transitions in a traffic light circuit?

• A resistor

• A microcontroller or timer

• A power supply

• An LDR (Light Dependent Resistor)

What is the main microcontroller used in the Micro?

• ATmega328

• ARM Cortex-M0

• ESP32

• Raspberry Pi