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Electronic Components
Test Description: Test about electronic components
Instructions: Answer all questions to get your test result.
1) What is the role of the coloured rings in the resistors?
A
they are for decoration
B
to prevent the resistor from overloading
C
to offer resistance
D
to know the resistance in Ohms
2) What are resistors used for?
A
to throw at the teacher
B
to limit the current that flows through the circuit
C
to regulate the speaker volumen
D
to resist heat
3) What are potentiometers?
A
variable resistances
B
energy receptors
C
very bigs resistances
D
invariable resistances
4) Give an example of a common use of a pontiometer
A
speaker volume
B
mobile phone
C
thermometer
D
battery
5) What is the meaning of LDR?
A
lightning depending on the rain
B
low distance resistor
C
left draw right
D
light dependent resistor
6) What is the principal role of the thermistor?
A
it's not used for anything
B
to decorate the Arduino board
C
it's like a battery
D
it' s a temperature depending resistance
7) What does the capacitor?
A
it stores energy
B
the capacitor is a battery
C
it's not used for anything
D
this electronic element is used to know the capacity of the Arduino board.
8) Choose an example of a capacitor
A
camera flash
B
car
C
laptops
D
bycicle
9) What can you find in a diode?
A
a LED
B
a conductor
C
a insulator
D
a semiconductor
10) What is a common use of a transistor?
A
a translator
B
a singer
C
an amplifier
D
a resistor
*select an answer for all questions
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