10 Questions
What is the process by which electrons in a semiconductor release energy in the form of photons?
Electroluminescence
What is the characteristic of a PTC thermistor?
Resistance increases with increase in temperature
What is the primary purpose of a jumper wire?
To connect two points to each other without soldering
What is the function of a potentiometer when only two terminals are used?
Variable resistor or rheostat
What is the term for a temperature-dependent resistor?
Thermistor
What is the standard 'host' connector type found on computers, hubs, or devices?
USB female
What is the voltage range of the Vbus signal in a USB connector?
4.75 - 5.25 V
What is the range of output voltage for the LM317T voltage regulator?
1.25 volts to just over 30 volts
What is the main purpose of a buzzer or beeper?
To produce an audio signal
What is the output voltage of the 7805 voltage regulator?
5V
Test your knowledge of basic electronics components, including Light Emitting Diodes (LEDs) and Thermistors, which are Temperature Dependent Resistors. Learn how they work and their characteristics.
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