Led lights and diodes
Authored by Mohamed Ben-Taher
Instructional Technology, Science
9th - 11th Grade
Used 11+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
LED stands for
Light Emitting Donador
Light Emitting Diode
Light Emulator Diode
Low Emitting Diode
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When connecting a LED to the Arduino the cathode must be connected to:
Any digital pin
5V
GND
Any terminal available
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
The anode is the (2 correct answers):
Longer lead
Shorter lead
Positive terminal
Negative terminal
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
The cathode has (more than one answer is correct)
the longer lead
the shorter lead
a flat side
the positive charge
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A resistor is connected with the LED to
protect the LED
give power to the LED
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The resistor connected to a LED has typical resistance values between:
10K - 20K
200R - 1K
2K - 8K
10R -100R
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