Breadboarding Circuits Quiz

What is the purpose of a breadboard?

• To protect LEDs

• To connect wires in a circuit

• To solder electronic components

• To hold batteries

Which part of the breadboard is used for power connections?

• Top and Bottom rails

• Horizontal rows

• Vertical columns

• Bottom rails

What is the purpose of the channel on the breadboard?

• To protect LEDs

• To hold batteries

• To separate columns

• To connect integrated chips

Where should the positive wire of a battery be connected on the breadboard?

• Vertical column

• Positive rail

• Negative rail

• Horizontal row

How can you connect the negative wire of a battery to the breadboard?

• Insert it to a horizontal row

• Insert it to the negative rail

• Insert it to a vertical column

• Insert it to a positive rail

Which leg of an LED is longer?

• The anode leg

• LEDs don't have legs

• Negative leg

• The cathode leg

What happens if you connect the battery to the LED backwards?

• The LED won't light up

• The LED will be brighter

• The LED will burn out

• The LED will change color

What is the purpose of adding a resistor to the circuit?

• To decrease the current

• To increase the voltage

• To protect the LED

• To make the LED brighter

How does adding a resistor affect the brightness of the LED?

• It makes the LED dimmer

• It makes the LED brighter

• It changes the color of the LED

• It has no effect on the brightness

Why is it important to use a resistor with an LED?

• To make the LED last longer

• To prevent the LED from burning out

• To increase the brightness of the LED

• To change the color of the LED