Temperature Sensor on micro:bit

What is the function of a thermostat?

• Cook food

• Measure the temperature of the air

• Control the lights in a room

• Play music

How did old thermostats measure temperature?

• Using a bimetallic strip

• Using a camera

• Using a microphone

• Using a GPS tracker

What is the principle behind modern semiconductor temperature sensors?

• Movement of charges in plastic materials

• Movement of charges in metal materials

• Movement of charges in glass materials

• Movement of charges in semiconductor materials

What happens to the depletion region in a diode when it is heated?

• It remains the same

• It disappears

• It expands in size

• It shrinks in size

Where is the temperature sensor located in a micro bit?

• Inside the processor

• In the buttons

• On the screen

• In the battery

What happens to the temperature reading if the processor heats up?

• It reports a higher value

• It reports a lower value

• It turns off

• It remains the same

What is the purpose of the delay in the code for the micro bit?

• To stop the scrolling numbers

• To change the color of the numbers

• To speed up the scrolling numbers

• To create a slight delay between scrolling numbers

What does the temperature sensor on the micro bit help measure?

• The temperature around the processor

• The pressure in the room

• The brightness of the screen

• The humidity in the air

What happens to the capacitance value of the diode when it is heated?

• It disappears

• It remains the same

• It increases

• It decreases

What is the purpose of the depletion region in a diode?

• To act as an insulator

• To conduct electricity

• To emit light

• To store energy