var questions = new Array();
var choices = new Array();
var answers = new Array();
var response = new Array();

questions[0] = "1. In a transistor when base-width decreases with increasing collector to base voltage,this phenomenon is called";
choices[0] = new Array();
choices[0][0] = "Early effect";
choices[0][1] = "Thermal Runaway";
choices[0][2] = "Tunnelling";
choices[0][3] = "Pinch-off";
answers[0] = choices[0][0];


questions[1] = "2. An amplifier has a voltage gain of 100.To reduce distortion,10% negative feedback is employed.The gain of the amplifier with feedback is";
choices[1] = new Array();
choices[1][0] = "1.01";
choices[1][1] = "9.09";
choices[1][2] = "90.9";
choices[1][3] = "101";
answers[1] = choices[1][2];

questions[2] = "3. The internal impedence of an ideal current source is";
choices[2] = new Array();
choices[2][0] = "Zero";
choices[2][1] = "Low";
choices[2][2] = "High";
choices[2][3] = "Infinity";
answers[2] = choices[2][0];

questions[3] = "4. The resonanat frequency in radiance/sec of a circuit having a 10m H inductor in series with a 1 micro F capacitor is";
choices[3] = new Array();
choices[3][0] = "10^8";
choices[3][1] = "10^4";
choices[3][2] = "10";
choices[3][3] = "1";
answers[3] = choices[3][1];


questions[4] = "5. The condition for reciprocity of a two port network is";
choices[4] = new Array();
choices[4][0] = "AD-BC = 1";
choices[4][1] = "AD-BC = 0";
choices[4][2] = "A=D";
choices[4][3] = "B=C";
answers[4] = choices[4][0];

questions[5] = "6. The polar radiation pattern of a loop aerial is";
choices[5] = new Array();
choices[5][0] = "a circle";
choices[5][1] = "an ellipse";
choices[5][2] = "a cardiod";
choices[5][3] = "figure of eight(8)";
answers[5] = choices[5][3];
 
 questions[6] = "7. The bridge used for measurement of inductance is";
choices[6] = new Array();
choices[6][0] = "Wheatstone Bridge";
choices[6][1] = "Kelvin Double Bridge";
choices[6][2] = "Anderson Bridge";
choices[6][3] = "Schering Bridge";
answers[6] = choices[6][2];

questions[7] = "8. The bridge used for measurement of capacitance is";
choices[7] = new Array();
choices[7][0] = "Wheatstone Bridge";
choices[7][1] = "Kelvin Double Bridge";
choices[7][2] = "Anderson Bridge";
choices[7][3] = "Schering Bridge";
answers[7] = choices[7][3];

questions[8] = "9. The three and half digit voltmeter could measure a maximum voltage of";
choices[8] = new Array();
choices[8][0] = "100 volts";
choices[8][1] = "1000 volts";
choices[8][2] = "2000 volts";
choices[8][3] = "10,000 volts";
answers[8] = choices[8][1];

questions[9] = "10. Lissajou's figures are usd in a CRO while measuring";
choices[9] = new Array();
choices[9][0] = "Voltage magnitude";
choices[9][1] = "Voltage gain";
choices[9][2] = "Frequency";
choices[9][3] = "Wave form";
answers[9] = choices[9][2];

questions[10] = "11. The type of transmission used for sound in TV transmission is";
choices[10] = new Array();
choices[10][0] = "AM";
choices[10][1] = "FM";
choices[10][2] = "PCM";
choices[10][3] = "PWM";
answers[10] = choices[10][1];

questions[11] = "12. THe type of transmission used for television in India is";
choices[11] = new Array();
choices[11][0] = "DAB SC";
choices[11][1] = "SSB";
choices[11][2] = "VSB";
choices[11][3] = "SSB-SC";
answers[11] = choices[11][2];
 
questions[12] = "13. The octal number system has";
choices[12] = new Array();
choices[12][0] = "Two different digits only ";
choices[12][1] = "Seven different digits";
choices[12][2] = "Eight different digits";
choices[12][3] = "Ten different digits";
answers[12] = choices[12][1];

questions[13] = "14. Binary multiplication is done using";
choices[13] = new Array();
choices[13][0] = "Two's compliment";
choices[13][1] = "One's compliment";
choices[13][2] = "Shift and add";
choices[13][3] = "Successive substraction";
answers[13] = choices[13][2];

questions[14] = "15. A wired AND gate uses";
choices[14] = new Array();
choices[14][0] = "Common emitter configuration";
choices[14][1] = "Common collector configuration";
choices[14][2] = "Open emitter configuration";
choices[14][3] = "Open collector configuration";
answers[14] = choices[14][0];

questions[15] = "16. Which of the following is a universal gate?";
choices[15] = new Array();
choices[15][0] = "AND";
choices[15][1] = "OR";
choices[15][2] = "NOR";
choices[15][3] = "XOR";
answers[15] = choices[15][2];


questions[16] = "17. The memory unit using only gates is";
choices[16] = new Array();
choices[16][0] = "ROM";
choices[16][1] = "RAM";
choices[16][2] = "Core";
choices[16][3] = "Disk";
answers[16] = choices[16][1];

questions[17] = "18. The ladder network in a D/A converter is";
choices[17] = new Array();
choices[17][0] = "R-C Ladder";
choices[17][1] = "R-L Ladder";
choices[17][2] = "R-2R Ladder";
choices[17][3] = "R-2L Ladder";
answers[17] = choices[17][2];

questions[18] = "19. An AM Broadcaster station transmits 2Kw of carrier power and uses an index of modulation 0.5.The total transmitted power is ";
choices[18] = new Array();
choices[18][0] = "2 Kw";
choices[18][1] = "2.25 kw";
choices[18][2] = "2.5 kw";
choices[18][3] = "2.75 kw";
answers[18] = choices[18][1];


questions[19] = "20. A commercial superheterodyne radio eceiver has its intermediate frequency chosen as";
choices[19] = new Array();
choices[19][0] = "255 kHz";
choices[19][1] = "455 kHz";
choices[19][2] = "955 kHz";
choices[19][3] = "1055 kHz";
answers[19] = choices[19][1];

questions[20] = "21. The input signal to receiver is 50 mw and the intenal noise at the input is 5 mw.After an amplification the signal at the output is 2w and the noise output is 0.4w. The noise figure is";
choices[20] = new Array();
choices[20][0] = "2";
choices[20][1] = "0.5";
choices[20][2] = "10";
choices[20][3] = "5";
answers[20] = choices[20][0];
 
 questions[21] = "22. If VSWR of transmission line is 4 and its characteristic impedence is 300 ohms.The possible resistor loads are";
choices[21] = new Array();
choices[21][0] = "300 ohms and 75 ohms";
choices[21][1] = "1200 ohms and 300 ohms";
choices[21][2] = "1200 ohms and 75 ohms";
choices[21][3] = "600 ohms and 300 ohms";
answers[21] = choices[21][1];

questions[22] = "23. A zener diode is used for";
choices[22] = new Array();
choices[22][0] = "Voltage regulation";
choices[22][1] = "Rectification";
choices[22][2] = "Noise suppression";
choices[22][3] = "Blocking a.c.";
answers[22] = choices[22][0];

questions[23] = "24. An SCR is a device having";
choices[23] = new Array();
choices[23][0] = "Three layers with four junctions";
choices[23][1] = "Three layers with two junctions";
choices[23][2] = "Four layers with three junctions";
choices[23][3] = "Two layers with three junctions";
answers[23] = choices[23][2];


questions[24] = "25. An amplifier has a gain of 10,000 Expressed in decibels the gain is";
choices[24] = new Array();
choices[24][0] = "10";
choices[24][1] = "40";
choices[24][2] = "80";
choices[24][3] = "100";
answers[24] = choices[24][3];

questions[25] = "26. If the bandwidth of each R F amplifier is 800 kHz the bandwidth of three such stages cascaded is";
choices[25] = new Array();
choices[25][0] = "800 kHz";
choices[25][1] = "2400 kHz";
choices[25][2] = "400 kHz";
choices[25][3] = "200 kHz";
answers[25] = choices[25][1];

questions[26] = "27. Which of the following is not used as an R.F. oscillator";
choices[26] = new Array();
choices[26][0] = "Wien Bridge";
choices[26][1] = "Hartly";
choices[26][2] = "Colpitts";
choices[26][3] = "Clapp";
answers[26] = choices[26][0];


questions[27] = "28. The amplifier in which current is proportional to the signal voltage,independent of source load resistance is called";
choices[27] = new Array();
choices[27][0] = "Current amplifier";
choices[27][1] = "voltage amplifier";
choices[27][2] = "Transresistance amplifier";
choices[27][3] = "Transconductance amplifier";
answers[27] = choices[27][0];

questions[28] = "29. An emitter follows has";
choices[28] = new Array();
choices[28][0] = "(A) High input impedence and high output impedence";
choices[28][1] = "(B) High input impedence and low output impedence";
choices[28][2] = "(A) Low input impedence and high output impedence";
choices[28][3] = "(A) Low input impedence and low output impedence";
answers[28] = choices[28][1];
 
 questions[29] = "30. A network with impedence function 10(s+1)/s(s+2) could be realised using";
choices[29] = new Array();
choices[29][0] = "Resistors only";
choices[29][1] = "Inductors and capacitors only";
choices[29][2] = "Resistors and capacitors only";
choices[29][3] = "Resistors,Inductors and capacitors ";
answers[29] = choices[29][3];

questions[30] = "31. The Laplace transform of an impulse function is";
choices[30] = new Array();
choices[30][0] = "1";
choices[30][1] = "1/s";
choices[30][2] = "1/s^2";
choices[30][3] = "0";
answers[30] = choices[30][0];

questions[31] = "32. The effective area of isotropic radiator is";
choices[31] = new Array();
choices[31][0] = "L/4P";
choices[31][1] = "4P/L";
choices[31][2] = "L^2/4P";
choices[31][3] = "4P/L^2";
answers[31] = choices[31][2];

questions[32] = "33. If the VSWR of a transmission line is a,its reflection coefficient is ";
choices[32] = new Array();
choices[32][0] = "0.4";
choices[32][1] = "0.6";
choices[32][2] = "2";
choices[32][3] = "4";
answers[32] = choices[32][1];

questions[33] = "34. If the load impedence connected to a transmission line of characteristic impedence 50 ohms is 150 ohms,its reflection coefficient is";
choices[33] = new Array();
choices[33][0] = "0.5";
choices[33][1] = "2";
choices[33][2] = "-2";
choices[33][3] = "-0.5";
answers[33] = choices[33][0];

questions[34] = "35. To eliminate ghosts in the picture";
choices[34] = new Array();
choices[34][0] = "Use longer transmission line";
choices[34][1] = "Connect a booster";
choices[34][2] = "Change the antenna orientation or location";
choices[34][3] = "Twist the transmission line";
answers[34] = choices[34][2];