Bharat Electronics Limited (BEL) Question Bank continued from Part 4… Q-29. If the gain of the amplifier is A and voltage feedback is fraction B of the amplifier output voltage, what will be the condition for maintenance of oscillation? A :…
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Bharat Electronics Limited (BEL) Question Bank – Part 4
Bharat Electronics Limited (BEL) Question Bank continued from Part 3… Q-20. State a way to improve SNR at the input of an amplifier. A : Signal to Noise Ratio (SNR) at the input of an amplifier can be improved by decreasing…
Bharat Electronics Limited (BEL) Question Bank – Part 3
Bharat Electronics Limited (BEL) Question Bank continued from Part 2… Q-14. If bandwidth of an amplifier is decreased, what is the effect on thermal noise? A : On decreasing bandwidth, the thermal noise would also decrease. Q-15. What is a geostationary…
Bharat Electronics Limited (BEL) Question Bank – Part 2
Bharat Electronics Limited (BEL) Question Bank continued from Part 1… Q-7. What is Balun? A : Balun is a type of electrical transformer that is used to convert a balanced circuit (in which two signals are working against each other…
Bharat Electronics Limited (BEL) Question Bank – Part 1
While studying engineering in Electronics and Communications domain, we are sometimes desirous of working in core companies. We explore which are the companies that work in the core areas and wonder what type of questions these organizations usually ask in…