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

questions[0] = "1. The charge contained in an electron is";
choices[0] = new Array();
choices[0][0] = "9.107*10^-31 coulomb";
choices[0][1] = "-1.6*10^-19 coulomb";
choices[0][2] = "-1.76*10^11 coulomb";
choices[0][3] = "3.2*10^32 coulomb";
answers[0] = choices[0][1];


questions[1] = "2. Most commonly used materials as photo cathode for the photoelectric emmission are";
choices[1] = new Array();
choices[1][0] = "Barium and Calcium";
choices[1][1] = "Cesium and Rubidium";
choices[1][2] = "Arsenic and Boron";
choices[1][3] = "Thorium and Tungston";
answers[1] = choices[1][2];

questions[2] = "3. Current through the ionized gas in gas tube";
choices[2] = new Array();
choices[2][0] = "Usually fluctuates";
choices[2][1] = "Usually remains constant";
choices[2][2] = "Usually assumes zero value";
choices[2][3] = "Usually assumes infinity";
answers[2] = choices[2][3];

questions[3] = "4. Semi-conductor diode time constant is equal to";
choices[3] = new Array();
choices[3][0] = "The value of majority carrier life time";
choices[3][1] = "The life time of minority carrier";
choices[3][2] = "The difussion capacitance time const";
choices[3][3] = "Zero";
answers[3] = choices[3][0];


questions[4] = "5. To prepare a 'P' type semiconducting material the impurities to be added to silicon are";
choices[4] = new Array();
choices[4][0] = "Boron, Gallium";
choices[4][1] = "Arsenic, Antimony";
choices[4][2] = "Gallium, Phosphorous";
choices[4][3] = "Gallium, Arsenic";
answers[4] = choices[4][0];

questions[5] = "6. FET is a good signal chopper because";
choices[5] = new Array();
choices[5][0] = "It exhibits no offset voltage at zero drain current";
choices[5][1] = "It occupies less space in integrated form";
choices[5][2] = "It has got high input impedence.";
choices[5][3] = "It is less noisy";
answers[5] = choices[5][0];
 
 questions[6] = "7. In Bipolar Junction transistors, the type of configuration which will give both voltage gain and current gain is";
choices[6] = new Array();
choices[6][0] = "CC";
choices[6][1] = "CB";
choices[6][2] = "CE";
choices[6][3] = "None";
answers[6] = choices[6][2];

questions[7] = "8. The V^D-I^D characteristics of an FET are similar to that of";
choices[7] = new Array();
choices[7][0] = "Triode";
choices[7][1] = "Pentode";
choices[7][2] = "Tertode";
choices[7][3] = "None of these";
answers[7] = choices[7][1];

questions[8] = "9. The transformer utilization factor for a Bridge Rectifier is given as";
choices[8] = new Array();
choices[8][0] = "0.287";
choices[8][1] = "0.50";
choices[8][2] = "0.693";
choices[8][3] = "0.812";
answers[8] = choices[8][3];

questions[9] = "10. To increase the input resistance and decrease the output resistance in negative feedback, the type used is";
choices[9] = new Array();
choices[9][0] = "Voltage shunt";
choices[9][1] = "Current series";
choices[9][2] = "Voltage series";
choices[9][3] = "Current shunt";
answers[9] = choices[9][2];

questions[10] = "11. The coupling capacitance of a bipolar transistor amplifier must be";
choices[10] = new Array();
choices[10][0] = "500 times larger than the FET amplifier";
choices[10][1] = "500 times lesser than the FET amplifier";
choices[10][2] = "Equal to that the FET amplifier";
choices[10][3] = "Negligible to that of the FET amplifier";
answers[10] = choices[10][0];

questions[11] = "12. The loop gain of an amplifier employing feedback(with feedback ratio B) is";
choices[11] = new Array();
choices[11][0] = "1/B";
choices[11][1] = "B";
choices[11][2] = "B^2";
choices[11][3] = "B/P";
answers[11] = choices[11][0];
 
questions[12] = "13. The value of a resistor creating thermal noise is doubled.The noise power generator is therefore.";
choices[12] = new Array();
choices[12][0] = "Halved ";
choices[12][1] = "Quadrupled";
choices[12][2] = "Doubled";
choices[12][3] = "Unchanged";
answers[12] = choices[12][3];

questions[13] = "14. In every practical oscillator the loop gain is";
choices[13] = new Array();
choices[13][0] = "Slightly larger than unity";
choices[13][1] = "Slightly larger than ten";
choices[13][2] = "Infinity";
choices[13][3] = "Zero";
answers[13] = choices[13][0];

questions[14] = "15. Alternatively the characteristic impedence is called";
choices[14] = new Array();
choices[14][0] = "Surge impedence";
choices[14][1] = "Match impedence";
choices[14][2] = "Alternative impedence";
choices[14][3] = "Reflected impedence";
answers[14] = choices[14][0];

questions[15] = "16. For any uniform and symmetrical life the characteristic impedence is";
choices[15] = new Array();
choices[15][0] = "The geometric mean of the open and short circuited impedences";
choices[15][1] = "The product of the open and the short circuited impedence";
choices[15][2] = "Square of the product of the open and short circuited impedence";
choices[15][3] = "The ratio of the above two impedences";
answers[15] = choices[15][0];


questions[16] = "17. The gain bandwidth product of the transistor amplifier is usually  denoted as";
choices[16] = new Array();
choices[16][0] = "f^a";
choices[16][1] = "f^B";
choices[16][2] = "f^y";
choices[16][3] = "None of these";
answers[16] = choices[16][2];

questions[17] = "18. In crystal oscillators,the valuable properties of a crystal are";
choices[17] = new Array();
choices[17][0] = "High Q and low L/C ratio";
choices[17][1] = "High Q and high L/C ratio";
choices[17][2] = "Low Q and high L/C ratio";
choices[17][3] = "Low Q and low L/C ratio";
answers[17] = choices[17][1];

questions[18] = "19. In an RL circuit after a very long time of application of step voltage the inductance L is represented in its equivalent circuit as ";
choices[18] = new Array();
choices[18][0] = "Open circuit";
choices[18][1] = "Short circuit";
choices[18][2] = "L/2";
choices[18][3] = "2L";
answers[18] = choices[18][1];


questions[19] = "20. Thevenin's theorem can't be applied to a network which contains";
choices[19] = new Array();
choices[19][0] = "Linear impedence";
choices[19][1] = "Nonlinear impedence";
choices[19][2] = "Resistances";
choices[19][3] = "Inductances";
answers[19] = choices[19][1];

questions[20] = "21. The loss produced by the insertion of the network of line is referred to as the";
choices[20] = new Array();
choices[20][0] = "Insertion loss";
choices[20][1] = "Characteristic loss";
choices[20][2] = "Eddy current loss";
choices[20][3] = "Hysteresis loss";
answers[20] = choices[20][0];
 
 questions[21] = "22. A series capacitance used in a filter circuit represents";
choices[21] = new Array();
choices[21][0] = "Low-pass";
choices[21][1] = "Band-pass";
choices[21][2] = "High-pass";
choices[21][3] = "None";
answers[21] = choices[21][2];

questions[22] = "23. Photoemission multiplier make use of";
choices[22] = new Array();
choices[22][0] = "Secondary emission";
choices[22][1] = "Thermionic emission";
choices[22][2] = "High field emission";
choices[22][3] = "Photoemission";
answers[22] = choices[22][0];

questions[23] = "24. The reflection coefficient on a lossless line with a short circuit load is given by";
choices[23] = new Array();
choices[23][0] = "-1";
choices[23][1] = "1";
choices[23][2] = "0";
choices[23][3] = "Lambda";
answers[23] = choices[23][0];


questions[24] = "25. By passing a triangular wave through a differentiating circuit the output wave shape is";
choices[24] = new Array();
choices[24][0] = "Spikes";
choices[24][1] = "Squarewave";
choices[24][2] = "Sawtooth";
choices[24][3] = "Sinewave";
answers[24] = choices[24][0];

questions[25] = "26. Clipper circuits are used to obtain any one of the following waveforms";
choices[25] = new Array();
choices[25][0] = "Sharper";
choices[25][1] = "Rectified";
choices[25][2] = "Fast rising";
choices[25][3] = "Smaller amplitude";
answers[25] = choices[25][3];

questions[26] = "27. A pulse amplifier is basically an amplifier with";
choices[26] = new Array();
choices[26][0] = "Wide band";
choices[26][1] = "IF";
choices[26][2] = "Narrow band";
choices[26][3] = "Audio band";
answers[26] = choices[26][2];


questions[27] = "28. Linearity o time base waveforms can be improved by using:";
choices[27] = new Array();
choices[27][0] = "Larger time constant";
choices[27][1] = "High gain";
choices[27][2] = "Larger value components";
choices[27][3] = "Larger power supply voltages";
answers[27] = choices[27][0];

questions[28] = "29. For harmonic generation the amplifier used is";
choices[28] = new Array();
choices[28][0] = "Audio amplifier";
choices[28][1] = "Class-A amplifier";
choices[28][2] = "RC amplifier";
choices[28][3] = "Class-C turned amplifier";
answers[28] = choices[28][3];
 
 questions[29] = "30. Zener diodes semiconductors are";
choices[29] = new Array();
choices[29][0] = "Lightly doped";
choices[29][1] = "Heavily doped";
choices[29][2] = "Medium doped";
choices[29][3] = "Not at all doped";
answers[29] = choices[29][1];