WorksheetsLed lights and diodes
Total questions: 21
Worksheet time: 11mins
LED stands for
Light Emitting Donador
Light Emitting Diode
Light Emulator Diode
Low Emitting Diode
In order to produce light the anode must be connected to:
the negative pole of the battery
the positive pole of the battery
It does not matter
When connecting a LED to the Arduino the cathode must be connected to:
Any digital pin
5V
GND
Any terminal available
The anode is the (2 correct answers):
Longer lead
Shorter lead
Positive terminal
Negative terminal
The cathode has (more than one answer is correct)
the longer lead
the shorter lead
a flat side
the positive charge
A resistor is connected with the LED to
protect the LED
give power to the LED
The resistor connected to a LED has typical resistance values between:
10K - 20K
200R - 1K
2K - 8K
10R -100R
Which diodes are directly polarized
D1
D2
Both
None
Which diodes are directly polarized
D1
D2
Both
None
Which diodes are directly polarized
D1
D2
Both
None
Which diodes are directly polarized
D1
D2
Both
None
Which diodes are directly polarized
D1
D2
Both
None
Which diodes are directly polarized
D1
D2
Both
None
Which LED lights will be on?
D1
D2
Both
None
Which LED lights will be on?
D1
D2
Both
None
Which LED lights will be on?
D1
D2
Both
None
Which LED lights will be on?
D1
D2
Both
None
Which LED lights will be on?
D1
D2
Both
None
Which LED lights will be on?
D1
D2
Both
None
The symbol of the LED is:
The symbol of the diode is:
