RESISTORS SOLDERING AND DESOLDERING - Quiz

1) Which material is used to make LDR for higher end requirements?

Cadmium sulphide Lead selenide Zinc sulphide Copper sulphide

2) Which measuring instrument is used to check the working condition of a photo resistor (LDR)?

Oscilloscope Voltmeter Ohmmeter Ammeter

3) What is the full form of LDR in resistors?

Light Depending Resistor Least Depending Resistor Limited Diode Resistor Limit Depending Resistor

4) Which material is used to make photo resistors (LDR)?

Silicon Germanium Aluminium Cadmium sulphide

5) What is the main application of photo resistor?

Voltage rectification Demodulation purpose Controls of street lighting systems To generate oscillations