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ICTSM Set-1
Resistors, Soldering and Desoldering
12

Resistors, Soldering and Desoldering MCQ with Answers

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

Oscilloscope

Voltmeter

Ohmmeter

Ammeter

Answer is:

Ohmmeter

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

Resistors, Soldering and Desoldering MCQ with Answers

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Related Resistors, Soldering and Desoldering MCQ with Answers

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

Light Depending Resistor

Least Depending Resistor

Limited Diode Resistor

Limit Depending Resistor

Answer is:

Light Depending Resistor

What is the full form of LDR in resistors?

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

Silicon

Germanium

Aluminium

Cadmium sulphide

Answer is:

Cadmium sulphide

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

15) What is the main application of photo resistor?

Voltage rectification

Demodulation purpose

Controls of street lighting systems

To generate oscillations

Answer is:

Controls of street lighting systems

What is the main application of photo resistor?

16) What is the another name of variable resistor?

Fixed resistor

Rectifier

Diode

Potential meter

Answer is:

Potential meter

Resistors, Soldering and Desoldering MCQ with Answers

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