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CBSE knowledge quize upsc

01/10/2021
01/10/2021

Upsc dream

New dedigate book
25/06/2021

New dedigate book

10/03/2021

Cryogenic engines find applications in:
(A) sub-marine propulsion
(B) frost-free refrigerators
(C) rocket technology
(D) research in superconductivity

10/03/2021

The tehnique used to trasmit audio signals in television broadcasts

(A) Amplitude modulation
(B) Frequency modulation
(C) Pulse Code modulation
(D) Time Division Multiplexing

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