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WorksheetsSemiconductor Electronics : Class 3
Total questions: 12
Worksheet time: 6mins
What are the 3 legs of a transistor called?
Base, Electrode, Commiter
Bridge, Collector, Extruder
Base, Collector, Emitter
Brake, Collection, Emit
A transistor is essentially what?
An output device
An electronic switch
A deivce that limits the flow of power
Transistors act like tiny "____________."
Electron sources
Switches
Batteries
Bees?
transistor has 3 electrodes namely
PNP
NPN
Base/ Collector/ Emitter
Drain/ Gate/ Source
In a Transistor ………………..
IE = IC + IB
IC = IE + IB
IE = IC – IB
IB = IC + IE
One function of the transistor is to_____________?
rectify
amplify
limit
control
How many terminals are there in a transistor....?
1
2
3
4
The street lights use electronic control system that switches the lights on when the surrounding is dark. What is the input sensor of the control system?
Lampu jalan menggunakan sistem kawalan elektronik yang menghidupkan lampu ketika sekitarnya gelap. Apakah sensor input sistem kawalan?
Thermistor
Termistor
Light emitting diode
Diod pemancar cahaya
Microphone
Mikrofon
Light dependent resistor
Perintang peka cahaya
An LED is what?
An input device
An output device
A processing device
We use who's law to help us with circuit calculations?
Resistance
Volts
Amps
Ohms
The shorter leg of an LED is what?
Positive
Negative
