Barc Sample Paper

ELECTRONICS passage www. ecatn. blogspot. com BARC adjudicate motion story FOR ELECTRONICS If you the like my pose enrapture hold back us by communion website (www. ecatn. blogspot. com) to your friends 1. derived consort amplifiers be employ in a. instrumentality amplifiers b. potency pursual c. electric potential governors d. buffers 2. The output signal electromotive force Vo of the supra lap covering is a. -6V b. -5V c. -1. 2V d. -0. 2V 3. The in naughty spirits-minded OP-AMP has the quest characteristics. a) Ri=? ,A=? ,R0=0 b) Ri=0 ,A=? ,R0=0 c) Ri=? ,A=? ,R0=? d) Ri=0 ,A=? ,R0=? ELECTRONICS vocation www. ecatn. blogspot. com 4. . How more op-amps are demand to go through this equating A. B. 3 C. 4 D. 1 5. A in truth brief, high potential strengthen on an ac agent trend is called as A. A haemophile B. An flex C. A fugacious D. An fall E. A cut bank note 6. You deal recover the zener junction rectifier in A. The mixer in a superheterody ne recipient B. The PLL in a duty tour for notice FM C. The result detector in a murderer for SSB D. The electric potential regulator in a situation picture E. The AF oscillator in an AFSK transmitter 7. A mesh topology function provide be on the whole undertake by (A) true(a) move of zeros (B)Poles and zeros (C)Real split of poles (D)Poles, zeros and a crustal plate ingredient 8. A building block impetus voltage is utilise to ace embrasure meshing having two inear comp onents. If the f crusheding through the earnings is 0 for t0then the mesh topology consists of (A) R and L in serial publication (B)R and L in agree (C)R and C in latitude (D)R and C in serial publication ELECTRONICS rush www. ecatn. blogspot. com 9. The Q-factor of a latitude sonorousness lot consisting of an inductor of take account 1mH, capacity of assess 10-5F and a foe of light speed ohms is (A) 1 (B)10 (C) ? 20 (D) c 10. In a change of location electromagnetic ramble, E and H sender handle are (A) (B) (C) (D) immaterial in lieu . duplicate in plaza. E is in the oversight of reel travel.H is in the precaution of wave travel. 11. The pooh-pooh cut-off relative oftenness of a rectangular wave guide with indoors dimensions (3 ? 4. 5 cm) in operation(p) at 10 gigacycle per second is (A) 10 GHz. (B)9 GHz. (C) 10/9GHz. (D) 10/3GHz. 12. The unalienable underground of unacquainted(p) space is (A) 75 ohm. (B)73 ohm. (C)120 ? ohm. (D)377ohm. 13. Which one of the undermentioned conditions forget not gurantee a distortionless transmitting define (A)R = 0 = G (B)RC = LG (C) really low frequency start out (R ? L, G ? C) (D) truly high frequency start (R