var questions = new Array();
var choices = new Array();
var answers = new Array();
var response = new Array();

questions[0] = "1. Clipper circuits are used to obtain any one of the following waveforms";
choices[0] = new Array();
choices[0][0] = "Sharper";
choices[0][1] = "Rectified";
choices[0][2] = "Fast Rising";
choices[0][3] = "Smaller Amplitude";
answers[0] = choices[0][3];


questions[1] = "2. A pulse amplifier is basically an amplifier with";
choices[1] = new Array();
choices[1][0] = "Wide Band";
choices[1][1] = "IF";
choices[1][2] = "Narrow Band";
choices[1][3] = "Audio Band";
answers[1] = choices[1][2];

questions[2] = "3. Linearity of time base waveforms can be improved by using";
choices[2] = new Array();
choices[2][0] = "Larger time constant";
choices[2][1] = "High gain";
choices[2][2] = "Larger value components";
choices[2][3] = "Larger power supply voltages";
answers[2] = choices[2][0];

questions[3] = "4. For harmonic gerneration the amplifier used is";
choices[3] = new Array();
choices[3][0] = "Audio Amplifier";
choices[3][1] = "Class-A Amplifier";
choices[3][2] = "RC Amplifier";
choices[3][3] = "Class-C Turned Amplifier";
answers[3] = choices[3][3];


questions[4] = "5. Zener diodes semiconductors are";
choices[4] = new Array();
choices[4][0] = "Lightly Doped";
choices[4][1] = "Heavily Doped";
choices[4][2] = "Medium Doped";
choices[4][3] = "Not at all Doped";
answers[4] = choices[4][1];

questions[5] = "6. Which of the following equation represent field strength H produced by a conductor carrying current I, at a distance r ?";
choices[5] = new Array();
choices[5][0] = "H = 1 / (PI x r)";
choices[5][1] = "H = 1 / (2 x PI x r x r)";
choices[5][2] = "H = 1 / (2 x PI x r)";
choices[5][3] = "H = 4 x PI x r x I";
answers[5] = choices[5][2];
 
 questions[6] = "7. The relative permeability is considered as unity for";
choices[6] = new Array();
choices[6][0] = "Bismuth";
choices[6][1] = "Vacuum";
choices[6][2] = "Air";
choices[6][3] = "Cobalt";
answers[6] = choices[6][3];

questions[7] = "8. A paralled polarized wave is incident from air to paraffin. If Er for paraffin is 2, the Brewster angle will be nearly equal to";
choices[7] = new Array();
choices[7][0] = "45 Degrees";
choices[7][1] = "40 Degrees";
choices[7][2] = "60 Degrees";
choices[7][3] = "55 Degrees";
answers[7] = choices[7][3];

questions[8] = "9. Absolute Permeability is equal to";
choices[8] = new Array();
choices[8][0] = "4 x PI x 10^-7 H/m";
choices[8][1] = "4 x PI x 10^-12 H/m";
choices[8][2] = "8.854 x 10^7 H/m";
choices[8][3] = "8.854 x 10^-12 H/m";
answers[8] = choices[8][0];

questions[9] = "10. The absorption of radio waves by the atmosphere depends on which of the following ?";
choices[9] = new Array();
choices[9][0] = "The polarization of atmosphere";
choices[9][1] = "The polarization of the waves";
choices[9][2] = "Their frequency";
choices[9][3] = "Their distance from the transmitter";
answers[9] = choices[9][2];

questions[10] = "11. Plasma is";
choices[10] = new Array();
choices[10][0] = "A medium dominated by helium";
choices[10][1] = "A solid dielectric material";
choices[10][2] = "A gaseous medium";
choices[10][3] = "A ray of electrons";
answers[10] = choices[10][2];

questions[11] = "12. Circular polarization is said to take place when";
choices[11] = new Array();
choices[11][0] = "The magnitude of the two waves is same.";
choices[11][1] = "The phase of the two waves is same.";
choices[11][2] = "The magnitude is the same and phase difference is zero.";
choices[11][3] = "The magnitude is the same and the phase difference is 90 degs.";
answers[11] = choices[11][3];
 
questions[12] = "13. The velocity of electromagnetic waves in a dielectric medium Er = 4 is equal to";
choices[12] = new Array();
choices[12][0] = "3 x 10^8 metres / second";
choices[12][1] = "1.5 x 10^8 metres / second";
choices[12][2] = "6 x 10^8 metres / second";
choices[12][3] = "12 x 10^8 metres / second";
answers[12] = choices[12][1];

questions[13] = "14. A plane wave travelling in air is normally incident on a block of paraffin with Er = 2.2. The reflection coefficient will be equal to";
choices[13] = new Array();
choices[13][0] = "-0.195";
choices[13][1] = "-0.255";
choices[13][2] = "-0.456";
choices[13][3] = "-0.557";
answers[13] = choices[13][1];

questions[14] = "15. For different loads the range of the values for VSWR is";
choices[14] = new Array();
choices[14][0] = "0 to 0.5";
choices[14][1] = "0.5 to 1";
choices[14][2] = "0 to 1";
choices[14][3] = "1 to Infinity";
answers[14] = choices[14][3];

questions[15] = "16. When the distance between two charges is doubled, the force between them will be equal to";
choices[15] = new Array();
choices[15][0] = "Four times";
choices[15][1] = "Double";
choices[15][2] = "Half";
choices[15][3] = "One Fourth";
answers[15] = choices[15][3];


questions[16] = "17. If the conductivity of copper is 5.8 x 10^7 mho / m and its relative permeability and permittivity is unity, then its refractive index at 10 MHz be equal to";
choices[16] = new Array();
choices[16][0] = "2.27";
choices[16][1] = "22.7";
choices[16][2] = "227";
choices[16][3] = "2270";
answers[16] = choices[16][2];

questions[17] = "18. A sinusoidal plane wave is transmitted through a medium whose breakdown strength is 30 KV / m and whose relative permeability is 4. The mean possible r.m.s power flow density will be";
choices[17] = new Array();
choices[17][0] = "2.39 KW / metre";
choices[17][1] = "23.9 KW / metre";
choices[17][2] = "239 KW / metre";
choices[17][3] = "2390 KW / metre";
answers[17] = choices[17][3];

questions[18] = "19. Which of the following is ferromagnetic material ?";
choices[18] = new Array();
choices[18][0] = "Copper";
choices[18][1] = "Palladium";
choices[18][2] = "Silver";
choices[18][3] = "Cobalt";
answers[18] = choices[18][3];


questions[19] = "20. Response curve of an amplifier is a graph that shows";
choices[19] = new Array();
choices[19][0] = "Variation of output voltage with input voltage";
choices[19][1] = "Variation of output current with input current";
choices[19][2] = "Variation of output voltage with frequency";
choices[19][3] = "Variation of output current with frequency";
answers[19] = choices[19][2];

questions[20] = "21. In FET amplifiers, input is";
choices[20] = new Array();
choices[20][0] = "A current signal";
choices[20][1] = "A voltage signal";
choices[20][2] = "Either a current or voltage signal";
choices[20][3] = "None of these";
answers[20] = choices[20][1];
 
 questions[21] = "22. Decibel is defined in terms of";
choices[21] = new Array();
choices[21][0] = "Power Ratio";
choices[21][1] = "Voltage Level";
choices[21][2] = "Current Level";
choices[21][3] = "None";
answers[21] = choices[21][0];

questions[22] = "23. A source of 500 Kilo Ohms output impedance was to be connected to a load of 10 Ohms. The matching device or circuit to a load of 10 Ohms. The matching device or circuit could be of two types. One was by using CC stage in between and other to have a passive circuit having input and output impedances of 500 kilo ohms and 10 ohms resp. Finally, CC stage is preffered even though it demanded more component count and circuit complexity. Why ?";
choices[22] = new Array();
choices[22][0] = "Because, it does not introduce any noise.";
choices[22][1] = "Because, its impedances are extremely stable and do not vary with various parameters.";
choices[22][2] = "It does not alter circuit conditions because of its voltage gain being unity.";
choices[22][3] = "None of these.";
answers[22] = choices[22][2];

questions[23] = "24. Mark the reason for CB configuration having very small input impedance";
choices[23] = new Array();
choices[23][0] = "Because of its inherent characteristics";
choices[23][1] = "That it has a very large resistance gain";
choices[23][2] = "That input is applied between emitter and base and emiiter junction is always forward biased for operation";
choices[23][3] = "That it is always fed from a low impedance source";
answers[23] = choices[23][2];


questions[24] = "25. The power handling capability of a given transistor, is dependent upon which of the following ?";
choices[24] = new Array();
choices[24][0] = "Maximum junction temperature and expected ambient temperature.";
choices[24][1] = "The maximum temperature at which the junction of the device is permitted to operate.";
choices[24][2] = "The actual ambient temperature expected during operation.";
choices[24][3] = "None of these";
answers[24] = choices[24][0];

questions[25] = "26. It is desired to design an amplifier with a voltage gain of 10,000. Output should be in phase with the input. Available CB stage has a gain of 100 per stage and CE has per stage gain of 25. The designed amplifier shall have";
choices[25] = new Array();
choices[25][0] = "Two cascaded stages of CB configuration";
choices[25][1] = "Four cascaded stages of CE configuration";
choices[25][2] = "Two cascaded stages of CE configuration";
choices[25][3] = "Three cascaded stages of CF configuration followed by an emitter follower stage";
answers[25] = choices[25][1];

questions[26] = "27. H-parameters of a transistor";
choices[26] = new Array();
choices[26][0] = "Are constant";
choices[26][1] = "Vary with temperature";
choices[26][2] = "Are dependent upon collector current";
choices[26][3] = "None of these";
answers[26] = choices[26][2];


questions[27] = "28. High frequency response of a transformer coupled amplifier is generally limited by";
choices[27] = new Array();
choices[27][0] = "Transformer's leakage inductance and distributed capacitance";
choices[27][1] = "Transformer's primary inductance";
choices[27][2] = "Transformer's leakage inductance only";
choices[27][3] = "Transformer's winding capacitance only";
answers[27] = choices[27][0];

questions[28] = "29. Low frequency response of a transformer coupled amplifier is limited by";
choices[28] = new Array();
choices[28][0] = "Transformer's leakage inductance";
choices[28][1] = "Transformer's primary inductance";
choices[28][2] = "Resistance associated with transformer windings";
choices[28][3] = "Transformer inter winding capacitances";
answers[28] = choices[28][1];
 
 questions[29] = "30. In a voltage series feedback";
choices[29] = new Array();
choices[29][0] = "Output resistance increases while input resistance decreases";
choices[29][1] = "Output and input resistances are reduced";
choices[29][2] = "Output and input resistances are increased";
choices[29][3] = "Output resistance decreases while input resistance increases";
answers[29] = choices[29][1];

questions[30] = "31. Which coupling produces the minimum interference with frequency response ?";
choices[30] = new Array();
choices[30][0] = "RC Coupling";
choices[30][1] = "Transformer Coupling";
choices[30][2] = "Direct Coupling";
choices[30][3] = "Impedance Coupling";
answers[30] = choices[30][2];


