BEL Technical - Electronics Paper - 1

Hi friends, i had given BEL paper on may-13,2007 in which 150 ques u,ve to do...out of which 30 were of apti &120 technicalapti 9 ( tough as compared to ISRO) question from analog electronics, digital electronics, network, F & W, signal , Control etc........ 1) in analog question based on zener diode 2) coupling capacitors and bypass capacitors affect 3) 1,8,27,64,125, ..........,....... which among the following will not come in the series a.1000, b.729 c.259 4) which of the following game uses bulley a.football b.cricket c.goalf.. d.hockey 5) a zener diode works on the principle of 6)under the high electric field,in a semiconductor with increasing electric field 7)in an 8085,microprocessor system with memory mapped I/O 8)built-in potential in a p-n jn.- 9)the breakdown voltage of a transitor with its base open is BV(ceo) and that with emitter open BV(cbo) then 10) ques based on half adder 11) based on flip flop 12) block diagram reduction 13) to find max overshoot (2 ques based on it)