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

questions[0] = "1. A resistance of 5 ohms is connected in the left gap of a metre bridge and 15 ohms in the other gap. The position of the balancing point from left is";
choices[0] = new Array();
choices[0][0] = "15 cm";
choices[0][1] = "25 cm";
choices[0][2] = "60 cm";
choices[0][3] = "75 cm";
answers[0] = choices[0][1];


questions[1] = "2. A potentiometer wire is 10m long. It has a resistance of 20 ohms. It is connected in series with a battery of e.m.f 3 V and negligible internal resistance and a resistance of 10 ohms. The potential gradient along the wire is";
choices[1] = new Array();
choices[1][0] = "0.4 V/m";
choices[1][1] = "0.1 V/m";
choices[1][2] = "0.2 V/m";
choices[1][3] = "0.3 V/m";
answers[1] = choices[1][2];

questions[2] = "3. In an electroplating experiment m gram of silver is deposited when 4A of current flows for 2 minutes. The amount in gram of silver deposited by 6A of current for 40 sec will be";
choices[2] = new Array();
choices[2][0] = "4 m";
choices[2][1] = "2 m";
choices[2][2] = "m / 2";
choices[2][3] = "m / 4";
answers[2] = choices[2][2];

questions[3] = "4. The current inside a copper voltameter";
choices[3] = new Array();
choices[3][0] = "is half the outside value";
choices[3][1] = "is the same as the outside value";
choices[3][2] = "is twice the outside value";
choices[3][3] = "depends on the concentration of CuSo4";
answers[3] = choices[3][1];


questions[4] = "5. When a copper voltameter is connected with a battery of e.m.f 12C, 2g of copper is deposited in 30 minutes. If the same voltameter is connected across a 6V battery, the mass of copper deposited in 45 minutes will be";
choices[4] = new Array();
choices[4][0] = "1.5 g";
choices[4][1] = "1 g";
choices[4][2] = "2 g";
choices[4][3] = "2.5 g";
answers[4] = choices[4][0];

questions[5] = "6. If nearly 10^5 C liberate 1gm equivalent of aluminium, then the amount of aluminium deposited through electrolysis in 20 minutes by a current of 50A will be";
choices[5] = new Array();
choices[5][0] = "5.4 g";
choices[5][1] = "0.6 g";
choices[5][2] = "0.08 g";
choices[5][3] = "10.8 g";
answers[5] = choices[5][0];
 
 questions[6] = "7. In a voltameter, the current conduction takes place due to";
choices[6] = new Array();
choices[6][0] = "electrons only";
choices[6][1] = "holes only";
choices[6][2] = "electrons and holes";
choices[6][3] = "electrons and ions";
answers[6] = choices[6][3];

questions[7] = "8. To liberate one litre of hydrogen at 22.4 atmosphere from acidulated water, the quantity of charge that must pass through it is";
choices[7] = new Array();
choices[7][0] = "1 C";
choices[7][1] = "22.4 C";
choices[7][2] = "96500 C";
choices[7][3] = "193000 C";
answers[7] = choices[7][3];

questions[8] = "9. The quantity of electricity needed to liberate one gram equivalent of an element is";
choices[8] = new Array();
choices[8][0] = "1 ampere";
choices[8][1] = "96500 C";
choices[8][2] = "96500 amperes";
choices[8][3] = "96500 Faraday";
answers[8] = choices[8][1];

questions[9] = "10. A certain charge liberates 0.8g of oxygen. The same charge will liberate how many gram of silver ?";
choices[9] = new Array();
choices[9][0] = "108 g";
choices[9][1] = "10.8 g";
choices[9][2] = "0.8 g";
choices[9][3] = "(108 / 0.8) g";
answers[9] = choices[9][1];

questions[10] = "11. Peltier coefficient for the junction of a pair of metals is proportional to";
choices[10] = new Array();
choices[10][0] = "absolute temperature T";
choices[10][1] = "T^2";
choices[10][2] = "1 / T";
choices[10][3] = "1 / T^2";
answers[10] = choices[10][0];

questions[11] = "12. Which of the following statement is correct ?";
choices[11] = new Array();
choices[11][0] = "Both peltier and joule effects are reversible.";
choices[11][1] = "Both peltier and joule effects are irreversible.";
choices[11][2] = "joule effect is reversible whereas peltier effect is irreversible.";
choices[11][3] = "joule effect is irreversible whereas peltier effect is reversible.";
answers[11] = choices[11][3];
 
questions[12] = "13. Invesion temperature of a thermocouple is that temperature of hot junction at which thermo e.m.f is";
choices[12] = new Array();
choices[12][0] = "maximum";
choices[12][1] = "minimum";
choices[12][2] = "zero";
choices[12][3] = "none of above";
answers[12] = choices[12][2];

questions[13] = "14. An e.m.f of 0.9 V is generated when the temperature difference between hot and cold junctions of a thermocouple is 75 degs. Assuming that cold junction is heated by 15 degs, the extent to which thermo e.m.f. will change is";
choices[13] = new Array();
choices[13][0] = "20%";
choices[13][1] = "40%";
choices[13][2] = "60%";
choices[13][3] = "80%";
answers[13] = choices[13][0];

questions[14] = "15. A thermocouple is made from copper and iron. At hot junction, current";
choices[14] = new Array();
choices[14][0] = "flows from iron to copper";
choices[14][1] = "flows from copper to iron";
choices[14][2] = "flow decreases";
choices[14][3] = "flow increases";
answers[14] = choices[14][1];

questions[15] = "16. As the temperature of hot junction of a thermocouple increases, the thermo e.m.f.";
choices[15] = new Array();
choices[15][0] = "always increases";
choices[15][1] = "always decreases";
choices[15][2] = "may increases or decrease";
choices[15][3] = "always remains constant";
answers[15] = choices[15][2];


questions[16] = "17. In a thermocouple, the initial hot and cold junctions are interchanged i.e hot junction becomes cold junction and vice-versa. What will happen ?";
choices[16] = new Array();
choices[16][0] = "No current is generated";
choices[16][1] = "The e.m.f increases";
choices[16][2] = "The e.m.f decreases";
choices[16][3] = "none of above";
answers[16] = choices[16][2];

questions[17] = "18. The e.m.f of the battery in a thermocouple is doubled. The heat generated at one of the two junctions will";
choices[17] = new Array();
choices[17][0] = "remain unchanged";
choices[17][1] = "becomes half";
choices[17][2] = "be doubled";
choices[17][3] = "be four times";
answers[17] = choices[17][2];

questions[18] = "19. The temperature of hot junction of a thermocouple changes from 80 degs to 100 degs, the percentage change in thermoelectric power is";
choices[18] = new Array();
choices[18][0] = "25%";
choices[18][1] = "20%";
choices[18][2] = "10%";
choices[18][3] = "8%";
answers[18] = choices[18][0];


questions[19] = "20. Above the neutral temperature, the thermo e.m.f.";
choices[19] = new Array();
choices[19][0] = "decreases with rise in temperature";
choices[19][1] = "increases with rise in temperature";
choices[19][2] = "remains constant with rise in temperature";
choices[19][3] = "data insufficient";
answers[19] = choices[19][0];

questions[20] = "21. Temperature of inversion of Cu - Fe thermocouple when the temperature of cold junction is 270 degs is";
choices[20] = new Array();
choices[20][0] = "270 degs";
choices[20][1] = "540 degs";
choices[20][2] = "0 degs";
choices[20][3] = "480 degs";
answers[20] = choices[20][0];
 
 questions[21] = "22. A straight wire of diameter 0.5 mm carrying a current of 1 A is replaced by another wire of 1mm diameter carrying the same current. The magnetic field at the same distance from the wire is";
choices[21] = new Array();
choices[21][0] = "twice the earlier value";
choices[21][1] = "one-half the earlier value";
choices[21][2] = "one-quarter the earlier value";
choices[21][3] = "no change";
answers[21] = choices[21][3];

questions[22] = "23. A circular coil A has radius R and current flowing through it is I. Another circular coil has radius 2R and if 2l is the current flowing through it, then magnetic field at the centre of the circular coils are in the ratio of";
choices[22] = new Array();
choices[22][0] = "4 : 1";
choices[22][1] = "1 : 1";
choices[22][2] = "2 : 1";
choices[22][3] = "3 : 1";
answers[22] = choices[22][1];

questions[23] = "24. The magnetic field inside a solenoid is";
choices[23] = new Array();
choices[23][0] = "directly proportional to its length";
choices[23][1] = "inversely proportional to current";
choices[23][2] = "directly proportional to current";
choices[23][3] = "inversely proportional to total number of turns";
answers[23] = choices[23][2];


questions[24] = "25. A coil of 100 turns and 5 cm^2 area is placed in a magnetic field equal to 0.2 T. If the coil makes an angle 60 degs with the direction of the magnetic field, then magnetic flux linked with the coil is";
choices[24] = new Array();
choices[24][0] = "8.66 x 10^(-3) Wb";
choices[24][1] = "5 x 10^(-3) Wb";
choices[24][2] = "5 x 10^(-4) Wb";
choices[24][3] = "8.66 x 10^(-9) Wb";
answers[24] = choices[24][0];

questions[25] = "26. A toroid has a core of outer radius 26 cm and inner radius 25 cm around which 4000 turns of a conducting wire are wound. If current in the wire is 10A, magnetic field inside the core of the toroid is";
choices[25] = new Array();
choices[25][0] = "4.26 x 10^(-3) T";
choices[25][1] = "3.14 x 10^(-2) T";
choices[25][2] = "1.56 x 10^(-4) T";
choices[25][3] = "2.46 x 10^(-6) T";
answers[25] = choices[25][1];

questions[26] = "27. What force will act on an electron moving with a velocity of 10^7 m/s near a conductor carrying a current of 40A when the electron is 4 cm from the wire if the electron velocity is parallel to the wire ?";
choices[26] = new Array();
choices[26][0] = "3.2 x 10^(-6) N";
choices[26][1] = "3.2 x 10^(-10) N";
choices[26][2] = "3.2 x 10^(-12) N";
choices[26][3] = "3.2 x 10^(-16) N";
answers[26] = choices[26][3];


questions[27] = "28. There are 50 turns of a wire in every cm length of a solenoid. If 4A current is flowing in the solenoid, the approximate value of magnetic field along its axis at the internal magnetic field along its axis at the internal point and at one end will be in Wb/m^2 respectively.";
choices[27] = new Array();
choices[27][0] = "2.51 x 10^(-3) : 1.26 x 10^(-3)";
choices[27][1] = "2.51 x 10^(-5) : 1.26 x 10^(-5)";
choices[27][2] = "1.26 x 10^(-3) : 2.51 x 10^(-3)";
choices[27][3] = "1.26 x 10^(-3) : 6.3 x 10^(-3)";
answers[27] = choices[27][0];

questions[28] = "29. A current passing through a cicular coil of two turns produces a magnetic field B at its centre. The coil is then rewound so as to have four turns and the same current is passed through it. Now magnetic field at the centre of the coil is";
choices[28] = new Array();
choices[28][0] = "2B";
choices[28][1] = "4B";
choices[28][2] = "B / 2";
choices[28][3] = "B / 4";
answers[28] = choices[28][1];
 
 questions[29] = "30. In a current carrying long solenoid, the magnetic field produced does not depend upon";
choices[29] = new Array();
choices[29][0] = "number of turns per unit length";
choices[29][1] = "current flowing";
choices[29][2] = "radius of solenoid";
choices[29][3] = "all of the above three";
answers[29] = choices[29][2];