var questions = new Array();
var choices = new Array();
var answers = new Array();
var response = new Array();

questions[0] = "1. The Laplace transform of an impulse function is";
choices[0] = new Array();
choices[0][0] = "1";
choices[0][1] = "1 / s";
choices[0][2] = "1 / (s * s)";
choices[0][3] = "0";
answers[0] = choices[0][0];


questions[1] = "2. The effective area of isotropic radiator is";
choices[1] = new Array();
choices[1][0] = "L / 4P";
choices[1][1] = "4P / L";
choices[1][2] = "(L * L) / 4P";
choices[1][3] = "4P / L * L";
answers[1] = choices[1][2];

questions[2] = "3. The Q factor of a coil is can be given as";
choices[2] = new Array();
choices[2][0] = "wL / R";
choices[2][1] = "RC";
choices[2][2] = "Sqrt(C) / L";
choices[2][3] = "Sqrt(L) / C";
answers[2] = choices[2][0];

questions[3] = "4. The VSWR of a transmission line is 4, its reflection coefficient is";
choices[3] = new Array();
choices[3][0] = "0.4";
choices[3][1] = "0.6";
choices[3][2] = "2";
choices[3][3] = "4";
answers[3] = choices[3][1];


questions[4] = "5. If the load impedance connected to a transmission line of characteristic impedance 50 ohms is 150 ohms, its reflection coefficient is";
choices[4] = new Array();
choices[4][0] = "0.5";
choices[4][1] = "2";
choices[4][2] = "-2";
choices[4][3] = "-0.5";
answers[4] = choices[4][0];

questions[5] = "6. The charge contained in an electron is";
choices[5] = new Array();
choices[5][0] = "9.107 x 10^-31 Coulomb";
choices[5][1] = "-1.6 x 10^-19 Coulomb";
choices[5][2] = "-1.76 x 10^11 Coulomb";
choices[5][3] = "3.2 x 10^32 Coulomb";
answers[5] = choices[5][1];
 
 questions[6] = "7. Most commonly used materials as photo cathode for the photoelectric emmission are";
choices[6] = new Array();
choices[6][0] = "Barium and Calcium";
choices[6][1] = "Cesium and Ribidium";
choices[6][2] = "Arsenic and Boron";
choices[6][3] = "Thorium and Tungston";
answers[6] = choices[6][2];

questions[7] = "8. Current through the ionized gas in gas tube";
choices[7] = new Array();
choices[7][0] = "Usually fluctuates";
choices[7][1] = "Usually remains constant";
choices[7][2] = "Usually assumes infinity";
choices[7][3] = "Usually assumes zero value";
answers[7] = choices[7][2];

questions[8] = "9. Semi-conductor diode time constant is equal to";
choices[8] = new Array();
choices[8][0] = "The value of majority carrier life time";
choices[8][1] = "The life time of minority carrier";
choices[8][2] = "The diffussion capacitance time constant";
choices[8][3] = "Zero";
answers[8] = choices[8][0];

questions[9] = "10. To prepare a P type semiconducting material the impurities to be added to silicon are";
choices[9] = new Array();
choices[9][0] = "Boron, Gallium";
choices[9][1] = "Arsenic, Antimony";
choices[9][2] = "Gallium, Phosphorous";
choices[9][3] = "Gallium, Arsenic";
answers[9] = choices[9][0];

questions[10] = "11. FET is a good signal chopper because";
choices[10] = new Array();
choices[10][0] = "It exhibits no offset voltage at zero drain current";
choices[10][1] = "It occupies less space in integrated form";
choices[10][2] = "It is less noisy";
choices[10][3] = "It has got high input impedance";
answers[10] = choices[10][0];

questions[11] = "12. In Bipolar Junction transistors, the type of configuration which will give both voltage gain and current gain is";
choices[11] = new Array();
choices[11][0] = "CC";
choices[11][1] = "CB";
choices[11][2] = "CE";
choices[11][3] = "None";
answers[11] = choices[11][2];
 
questions[12] = "13. The (V^d) - (I^d) characteristics of an FET are similar to that of";
choices[12] = new Array();
choices[12][0] = "Triode";
choices[12][1] = "Pentode";
choices[12][2] = "Tertode";
choices[12][3] = "None of there";
answers[12] = choices[12][1];

questions[13] = "14. The transformer utilization factor for a bridge rectifier is given as";
choices[13] = new Array();
choices[13][0] = "0.287";
choices[13][1] = "0.50";
choices[13][2] = "0.693";
choices[13][3] = "0.812";
answers[13] = choices[13][3];

questions[14] = "15. To increase the input resistance and decrease the output resistance in negative feedback, the type used is";
choices[14] = new Array();
choices[14][0] = "Voltage Shunt";
choices[14][1] = "Current Series";
choices[14][2] = "Voltage Series";
choices[14][3] = "Current Shunt";
answers[14] = choices[14][2];

questions[15] = "16. The coupling capacitance of a bipolar transistor amplifier must be";
choices[15] = new Array();
choices[15][0] = "500 times larger than the FET amplifier";
choices[15][1] = "500 times lesser than the FET amplifier";
choices[15][2] = "Equal to that the FET amplifier";
choices[15][3] = "Negligible to that of the FET amplifier";
answers[15] = choices[15][0];


questions[16] = "17. The loop gain of an amplifier employing feedback (with feedback ratio of B) is";
choices[16] = new Array();
choices[16][0] = "1 / B";
choices[16][1] = "B";
choices[16][2] = "B^2";
choices[16][3] = "B / P";
answers[16] = choices[16][0];

questions[17] = "18. The value of a resistor creating thermal noise is doubled. The noise power generator is therefore.";
choices[17] = new Array();
choices[17][0] = "Halved";
choices[17][1] = "Quadrupled";
choices[17][2] = "Doubled";
choices[17][3] = "Unchanged";
answers[17] = choices[17][3];

questions[18] = "19. In every practical oscillator the loop gain is";
choices[18] = new Array();
choices[18][0] = "Slightly larger than unity";
choices[18][1] = "Slightly larger than ten";
choices[18][2] = "Infinity";
choices[18][3] = "Zero";
answers[18] = choices[18][0];


questions[19] = "20. Alternatively the characteristic impedance is called";
choices[19] = new Array();
choices[19][0] = "Surge Impedance";
choices[19][1] = "Match Impedance";
choices[19][2] = "Alternative Impedance";
choices[19][3] = "Reflected Impedance";
answers[19] = choices[19][0];

questions[20] = "21. For any uniform and symmetrical life the characteristic impedance is";
choices[20] = new Array();
choices[20][0] = "The geometric mean of the open and short circuited impedances";
choices[20][1] = "The product of the open and the short circuited impedances";
choices[20][2] = "Square of the product of the open and short circuited impedances";
choices[20][3] = "The ratio of the above two impedances";
answers[20] = choices[20][0];
 
 questions[21] = "22. The gain bandwidth product of the transistor amplifier is usually denoted as";
choices[21] = new Array();
choices[21][0] = "f^a";
choices[21][1] = "f^b";
choices[21][2] = "f^y";
choices[21][3] = "None of these";
answers[21] = choices[21][2];

questions[22] = "23. In crystal oscillators, the valuable properties of a crystal are";
choices[22] = new Array();
choices[22][0] = "High Q and low L/C ratio";
choices[22][1] = "High Q and L/C ratio";
choices[22][2] = "Low Q and High L/C ratio";
choices[22][3] = "Low Q and low L/C ratio";
answers[22] = choices[22][1];

questions[23] = "24. 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[23] = new Array();
choices[23][0] = "Open Circuit";
choices[23][1] = "Short Circuit";
choices[23][2] = "L / 2";
choices[23][3] = "2L";
answers[23] = choices[23][1];


questions[24] = "25. Thevenin's theorem cannot be applied to a network which contains";
choices[24] = new Array();
choices[24][0] = "Linear impedances";
choices[24][1] = "Nonlinear impedances";
choices[24][2] = "Resistances";
choices[24][3] = "Inductances";
answers[24] = choices[24][1];

questions[25] = "26. The loss produced by the insertion of the network of line is referred to as the";
choices[25] = new Array();
choices[25][0] = "Insertion Loss";
choices[25][1] = "Characteristic Loss";
choices[25][2] = "Eddy Current Loss";
choices[25][3] = "Hysteresis Loss";
answers[25] = choices[25][0];

questions[26] = "27. A series capacitance used in a filter circuit represents";
choices[26] = new Array();
choices[26][0] = "Low-Pass";
choices[26][1] = "Band-Pass";
choices[26][2] = "High-Pass";
choices[26][3] = "None";
answers[26] = choices[26][2];


questions[27] = "28. Photoemission multipliers make use of";
choices[27] = new Array();
choices[27][0] = "Secondary Emission";
choices[27][1] = "Thermionic Emission";
choices[27][2] = "High Filed Emission";
choices[27][3] = "Photoemission";
answers[27] = choices[27][0];

questions[28] = "29. The reflection coefficient on a lossless line with a short circuit load, is given by";
choices[28] = new Array();
choices[28][0] = "-1";
choices[28][1] = "1";
choices[28][2] = "0";
choices[28][3] = "Lamda";
answers[28] = choices[28][0];
 
 questions[29] = "30. By passing a triangular wave through a differentiating circuit the output wave shape is";
choices[29] = new Array();
choices[29][0] = "Spikes";
choices[29][1] = "Squarewave";
choices[29][2] = "Sawtooth";
choices[29][3] = "Sinewave";
answers[29] = choices[29][0];




