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A silicon optical fibre with a care diameter large enough has a care refractive inder of 1.50 and cladding refractive inder 1.47. The critical angle at the care cladding interface is
In satellite communication (1) The frequency used lies between 5 MHz and 1 MHz (2) The uplink and downlink frequencies are different. (3) The orbit of geostationary staellite lies in the equatorial plane at an indication of $ 0 ^ \circ $ . In the above statements.
A signal wave of frequency 12 KHz is modulated with a carrier wave of frequency 2.51 MHz.The upper and lower side band frequency are respectively.
What is the sepeturor sparing in are of co-arial cables ?
An insulater ared in a transmission line has dierectrie unstant equal to 0.25 What is the velocity factor of the transmission line ?
What is the working principal of optical fibre ?
A photo director area light of wavelength 1400nm Band gap of the Semiconductor used in the photo detector is -----------$ ( h = 6.63 \times 10 ^ {-34} JS ; C = 3 \times 10 ^ 8 m/s )$
In modulation process radio signal is called
Tank Circuit Contains lnf capcpcitor and 10 microhenry inductor What is the carrier frequency generated by it ?
The effective power radiated by an antenna varies
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The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.