Class 10 Physics Competitive Exam MCQs – Practice Test 21 (Chapter 2)

Basic Electronics Multiple Choice Questions and Answers PDF – Test 21

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Free Basic Electronics MCQs App Download: J.J Thomson in 1897 observed the deflection of cathode rays by; MCQ with answers: magnetic field, electric field, chemical field, and electric and magnetic field. Solve Digital and Analogue Electronics MCQ Questions, download Google e-Book (Free Chapter) to achieve academic excellence.

Basic Electronics MCQs with Answers PDF Download – Test 21

MCQ 101: Radio, televisions and telephones process:

no signals
digital signals
analogue signals
none of above

MCQ 102: J.J Thomson in 1897 observed the deflection of cathode rays by:

electric field
magnetic field
chemical field
electric and magnetic field

MCQ 103: The electrons are produced by thermionic emission from a tungsten filament heated by:

6 V supply
10 V supply
20 V supply
8 V supply

MCQ 104: Things which can have two possible states are known as:

analogue variables
binary variables
dependent variables
independent variables

Basic Electronics MCQs App & e-Book – Class 10 Physics Competitive Exam

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