Touch Circuit Quiz

What does this circuit do when you touch it?

• Turns a light ON or OFF

• Plays music

• Charges a battery

• Starts a motor

Which main component makes the touch switch work?

• Resistor

• LED

• 555 Timer IC

• Speaker

What happens when you touch the wire probes/sensor?

• The LED turns ON or OFF

• The LED changes color

• The circuit makes a sound

• The circuit stops working

What powers this circuit?

• A battery or DC power supply

• Wind energy

• Solar panel

• Water flow

How many times do you need to touch the sensor to turn the LED ON and then OFF?

• 1 time

• 2 times

• 5 times

• It never turns OFF