var questions = new Array();
var choices = new Array();
var answers = new Array();
var response = new Array();

questions[0] = "1. In order to have the impulse response of a control system apporaching zero with the time tending to infinity";
choices[0] = new Array();
choices[0][0] = "The poles of the system must have position real parts";
choices[0][1] = "The poles of the system must lie on the L.H.S of the S-plane";
choices[0][2] = "The zero of the system must be on the L.H.S of the S-plane";
choices[0][3] = "None of these";
answers[0] = choices[0][1];


questions[1] = "2. For an ideal noise free amplifier, the noise figure is";
choices[1] = new Array();
choices[1][0] = "Zero";
choices[1][1] = "Zero dB";
choices[1][2] = "Infinity";
choices[1][3] = "1 dB";
answers[1] = choices[1][1];

questions[2] = "3. Wide bandwidth operation is offered by";
choices[2] = new Array();
choices[2][0] = "Common Emitter Amplifier";
choices[2][1] = "Common Base Amplifier";
choices[2][2] = "Common Collector Amplifier";
choices[2][3] = "None of the above";
answers[2] = choices[2][2];

questions[3] = "4. When a junction is formed between a metal and a semiconductor, the depletion layer is";
choices[3] = new Array();
choices[3][0] = "More on the side of the metal";
choices[3][1] = "Equal on both sides";
choices[3][2] = "Less on the side of the metal";
choices[3][3] = "Less on semiconductor side";
answers[3] = choices[3][2];


questions[4] = "5. In the negative feedback amplifier with gain A / K, the noise generated in the amplifier is reduced by a factor of";
choices[4] = new Array();
choices[4][0] = "K";
choices[4][1] = "1 - K";
choices[4][2] = "1 / K";
choices[4][3] = "1 / (1 - K)";
answers[4] = choices[4][2];

questions[5] = "6. The type of negative feedback which results in the increase of both Zin and Zout of an amplifier is";
choices[5] = new Array();
choices[5][0] = "Voltage-Shunt";
choices[5][1] = "Voltage-Series";
choices[5][2] = "Current-Shunt";
choices[5][3] = "Current-Series";
answers[5] = choices[5][3];
 
 questions[6] = "7. Zener diodes are used in";
choices[6] = new Array();
choices[6][0] = "Rectifiers";
choices[6][1] = "Inverters";
choices[6][2] = "Demodulator";
choices[6][3] = "Voltage Regulators";
answers[6] = choices[6][3];

questions[7] = "8. In a saturated transistor";
choices[7] = new Array();
choices[7][0] = "B-E junction is forward biased with C-B junction is reverse biased";
choices[7][1] = "Both the junctions are forward biased";
choices[7][2] = "B-E junction is reverse biased with C-B junction is forward biased";
choices[7][3] = "Both the junctions are reverse biased";
answers[7] = choices[7][1];

questions[8] = "9. A good current amplifier has the following property";
choices[8] = new Array();
choices[8][0] = "Low Rin and high Rout";
choices[8][1] = "Low Rin and low Rout";
choices[8][2] = "High Rin and low Rout";
choices[8][3] = "High Rin and high Rout";
answers[8] = choices[8][0];

questions[9] = "10. A silicon transistor at a temperature of 25 Degrees C has leakage current Icbo of 10 microamps. If the temperature rises to 55 Degrees C the leakage current would be";
choices[9] = new Array();
choices[9][0] = "300 microamps";
choices[9][1] = "80 microamps";
choices[9][2] = "22 microamps";
choices[9][3] = "10 microamps";
answers[9] = choices[9][1];

questions[10] = "11. A lossless transmission line with characteristic load of 100 ohms. The standing wave ratio will be";
choices[10] = new Array();
choices[10][0] = "2";
choices[10][1] = "2 / 3";
choices[10][2] = "1 / 2";
choices[10][3] = "1 / 3";
answers[10] = choices[10][3];

questions[11] = "12. The oscillator that has the best frequency stability is";
choices[11] = new Array();
choices[11][0] = "Crystal Oscillator";
choices[11][1] = "Hartley Oscillator";
choices[11][2] = "Colpitt's";
choices[11][3] = "Tuned Collector Oscillator";
answers[11] = choices[11][0];
 
questions[12] = "13. All the components in a paralled resonant circuit are ideal. The value of Q is";
choices[12] = new Array();
choices[12][0] = "R / WL";
choices[12][1] = "WL / R";
choices[12][2] = "R / WC";
choices[12][3] = "W / RC";
answers[12] = choices[12][1];

questions[13] = "14. Bootstrap sweep circuit generally employs";
choices[13] = new Array();
choices[13][0] = "Emitter Follower";
choices[13][1] = "CE Amplifier";
choices[13][2] = "CB Amplifier";
choices[13][3] = "Tuned Amplifier";
answers[13] = choices[13][0];

questions[14] = "15. In the design of composite filter, the end half m-derived section are included to";
choices[14] = new Array();
choices[14][0] = "Realize required pass band characteristics";
choices[14][1] = "Realize required stop band characteristics";
choices[14][2] = "Achieve equal phase characteristics";
choices[14][3] = "Realize constant value of characteristic impedance over operating frequency";
answers[14] = choices[14][3];

questions[15] = "16. The condition for a distortionless transmission line is";
choices[15] = new Array();
choices[15][0] = "LG = RC";
choices[15][1] = "LR = GC";
choices[15][2] = "LC = GR";
choices[15][3] = "LG = RC^2";
answers[15] = choices[15][0];


questions[16] = "17. Crystal oscillators are preferred to LC oscillators due to their";
choices[16] = new Array();
choices[16][0] = "Compact Size";
choices[16][1] = "Temperature Stability";
choices[16][2] = "Frequency Stability";
choices[16][3] = "Simple Circuitry";
answers[16] = choices[16][2];

questions[17] = "18. In class B push pull amplifier, the cross-over distortion is eliminated by";
choices[17] = new Array();
choices[17][0] = "Using matched transistors";
choices[17][1] = "Adopting class AB operation";
choices[17][2] = "Using complementary devices";
choices[17][3] = "Combination of the above";
answers[17] = choices[17][1];

questions[18] = "19. In the hybrid parameters representing the two port network, the parameters represent";
choices[18] = new Array();
choices[18][0] = "Impedances only";
choices[18][1] = "Admittances only";
choices[18][2] = "Current and voltage gain only";
choices[18][3] = "Combination of the above";
answers[18] = choices[18][3];


questions[19] = "20. A band pass filter is usually designed as follows";
choices[19] = new Array();
choices[19][0] = "Low pass filter followed by a high pass filter";
choices[19][1] = "High pass filter followed by a low pass filter";
choices[19][2] = "Have a paralled tuned circuit";
choices[19][3] = "Have a series tuned circuit";
answers[19] = choices[19][3];

questions[20] = "21. The radiation resistance of a half wave dipole antenna in free space";
choices[20] = new Array();
choices[20][0] = "103 Ohms";
choices[20][1] = "300 Ohms";
choices[20][2] = "73 Ohms";
choices[20][3] = "50 Ohms";
answers[20] = choices[20][2];
 
 questions[21] = "22. To transform any resistance at the termination of a transmission line to an impedance with magnitude equal to R of the line, the line length must be";
choices[21] = new Array();
choices[21][0] = "L / 4";
choices[21][1] = "L / 8";
choices[21][2] = "L";
choices[21][3] = "L / 2";
answers[21] = choices[21][0];

questions[22] = "23. In the radiated far filed of a dipole antenna, electric and magnetic fields";
choices[22] = new Array();
choices[22][0] = "Are in the direction of propagation";
choices[22][1] = "Are in time phase";
choices[22][2] = "Are out of phase";
choices[22][3] = "Both will not exist together";
answers[22] = choices[22][3];

questions[23] = "24. The image frequency for a standard broadcast band receiver using 455 KHz IF and tuned to a station at 620 KHz is";
choices[23] = new Array();
choices[23][0] = "1530 KHz";
choices[23][1] = "1075 KHz";
choices[23][2] = "900 KHz";
choices[23][3] = "750 KHz";
answers[23] = choices[23][0];


questions[24] = "25. The horizontal synchronising frequency in the TV receiver is";
choices[24] = new Array();
choices[24][0] = "10500 Hz";
choices[24][1] = "13125 Hz";
choices[24][2] = "15625 Hz";
choices[24][3] = "15750 Hz";
answers[24] = choices[24][2];

questions[25] = "26. Under 100% amplitude modulation of a 10 KW carrier power, the total power required is";
choices[25] = new Array();
choices[25][0] = "15 KW";
choices[25][1] = "50 KW";
choices[25][2] = "100 KW";
choices[25][3] = "150 KW";
answers[25] = choices[25][0];

questions[26] = "27. Ionospheric propagation fails beyond the operating frequency of";
choices[26] = new Array();
choices[26][0] = "30 KHz";
choices[26][1] = "300 KHz";
choices[26][2] = "3000 KHz";
choices[26][3] = "30,000 KHz";
answers[26] = choices[26][3];


questions[27] = "28. Though the amount of noise is proportional to bandwidth, the wide band FM has high signal to noise ratio because";
choices[27] = new Array();
choices[27][0] = "Signal level is high";
choices[27][1] = "Limited circuit is used in FM";
choices[27][2] = "Noise level is low";
choices[27][3] = "Noise component are uncorrelated";
answers[27] = choices[27][1];

questions[28] = "29. If the effective length of an antenna is increased, its directive gains";
choices[28] = new Array();
choices[28][0] = "Becomes infinite";
choices[28][1] = "Remains same";
choices[28][2] = "Decreases";
choices[28][3] = "Increases";
answers[28] = choices[28][2];
 
 questions[29] = "30. An antenna that is circularly polarised is";
choices[29] = new Array();
choices[29][0] = "Helical";
choices[29][1] = "Yagi";
choices[29][2] = "Parabolic";
choices[29][3] = "Loop";
answers[29] = choices[29][0];

questions[30] = "31. Which of the following circuits does not require a coupling capacitor ?";
choices[30] = new Array();
choices[30][0] = "Resistance Loaded";
choices[30][1] = "Transformer Coupled";
choices[30][2] = "Impedance Coupled";
choices[30][3] = "Single Turned";
answers[30] = choices[30][1];


