1.Explain 3D radar. 2.Method of mobile signal jamming. 3.Frequency hopping spread spectrum. 4.How does op-amp works in common mode? 5.Which flip flop is known as universal flip flop and why?
2088how different operators of mobile phones get connected? How the airtel network user get connected to other network users and talk to them?
3 6896Difference between SONAR and RADAR? Can we use SONAR instead of RADAR? How can you 'swap' two numbers in two registers (using ALU), without using 3rd register?
1 8710why does the current through inductor is constant, why current through inductor & voltage across capacitor is constant? can u explin clearly?
3 6689India is the power supply is 230v 50hz,so why the other countries 110v 60hz AC power supply why?
5 9256I am working in a private software firm for past two years and now i want to switch to electronics company ... if they ask me ==>what I was doing for the past two years what would the appropriate answer to this ... please reply !
1982Post New BEL Electronics Communications Interview Questions
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