[{"id":119984,"question":"Compton was awarded Nobel prize in physics in","choices":[{"text":"1921","value":"A"},{"text":"1923","value":"B"},{"text":"1925","value":"C"},{"text":"1927","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119983,"question":"In the compton's effect, it is found that the wavelength of incident x-rays is","choices":[{"text":"greater than the wavelength of scattered x-rays","value":"A"},{"text":"equal to the wavelength of scattered x-rays","value":"B"},{"text":"less than the wavelength of scattered x-rays","value":"C"},{"text":"any one of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119979,"question":"Current is measured in","choices":[{"text":"volts","value":"A"},{"text":"watt","value":"B"},{"text":"ohm","value":"C"},{"text":"ampere","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119977,"question":"Resistance is measured in","choices":[{"text":"volts","value":"A"},{"text":"ampere","value":"B"},{"text":"ohm","value":"C"},{"text":"watt","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119976,"question":"Avo-meter is used of measure the","choices":[{"text":"current, voltage","value":"A"},{"text":"voltage, resistance","value":"B"},{"text":"resistance, current","value":"C"},{"text":"current, voltage and resistance","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119974,"question":"A resistance used in galvanometer to make it voltmeter is called","choices":[{"text":"shunt resistance","value":"A"},{"text":"high resistance","value":"B"},{"text":"zero resistance","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119973,"question":"When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into","choices":[{"text":"Voltmeter","value":"A"},{"text":"Avometer","value":"B"},{"text":"Ammeter","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119972,"question":"A resistance used in voltmeter is called","choices":[{"text":"shunt resistance","value":"A"},{"text":"high resistance","value":"B"},{"text":"low resistance","value":"C"},{"text":"zero resistance","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119970,"question":"In order to make a voltmeter, high resistance is connected with galvanometer, in","choices":[{"text":"perpendicular","value":"A"},{"text":"may be paralled or pendicular","value":"B"},{"text":"series","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119968,"question":"Which is modified form of galvanometer","choices":[{"text":"potentiometer","value":"A"},{"text":"battery","value":"B"},{"text":"voltmeter","value":"C"},{"text":"slide wire bridge","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119966,"question":"A voltmeter is used to measure the","choices":[{"text":"potential difference","value":"A"},{"text":"current","value":"B"},{"text":"temperature","value":"C"},{"text":"resistance","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119965,"question":"For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as","choices":[{"text":"modification","value":"A"},{"text":"voltage","value":"B"},{"text":"current","value":"C"},{"text":"resistance","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119964,"question":"A full-scale deflection is obtained in a galvanometer with a current of few","choices":[{"text":"ampere","value":"A"},{"text":"volts","value":"B"},{"text":"milliampere","value":"C"},{"text":"ohm","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119962,"question":"The current is measured in","choices":[{"text":"volts","value":"A"},{"text":"watt","value":"B"},{"text":"ampere","value":"C"},{"text":"ohm","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119960,"question":"Ammeter is used to measure","choices":[{"text":"voltage","value":"A"},{"text":"resistance","value":"B"},{"text":"voltage and current","value":"C"},{"text":"current","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119958,"question":"A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called","choices":[{"text":"dead beat galvanometer","value":"A"},{"text":"stable galvanometer","value":"B"},{"text":"shunt galvanometer","value":"C"},{"text":"sensitive galvanomter","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119956,"question":"The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of","choices":[{"text":"ammeter","value":"A"},{"text":"voltmeter","value":"B"},{"text":"galvanometer","value":"C"},{"text":"avo-meter","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119954,"question":"The torque per unit twist of coil is called","choices":[{"text":"proportionality constant","value":"A"},{"text":"gravitational constant","value":"B"},{"text":"boltzman constant","value":"C"},{"text":"coupling constant","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119952,"question":"Method \"lamp and scale arrangement\" used to measure the","choices":[{"text":"angle of deflection","value":"A"},{"text":"restoring torque","value":"B"},{"text":"magnetic field strength","value":"C"},{"text":"current","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119950,"question":"If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made","choices":[{"text":"Sensitive","value":"A"},{"text":"Accurate","value":"B"},{"text":"Stable","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119948,"question":"The angle of deflection of coil can be measured by the","choices":[{"text":"one method","value":"A"},{"text":"three method","value":"B"},{"text":"two method","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119947,"question":"A shunt resistance parallel to the galvanometer is used to convert it into","choices":[{"text":"avometer","value":"A"},{"text":"millimeter","value":"B"},{"text":"voltmeter","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119946,"question":"In a moving coil galvanometer, the deflecting couple depends upon","choices":[{"text":"area of the coil","value":"A"},{"text":"number of turns of coil","value":"B"},{"text":"value of magnetic field","value":"C"},{"text":"all of the above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119945,"question":"For the conversion of galvanometer into voltmeter, we connect a","choices":[{"text":"small resistance in series with galvanometer","value":"A"},{"text":"small resistance in parallel with galvanometer","value":"B"},{"text":"high resistance in parallel with galvanometer","value":"C"},{"text":"high resistance series with galvanometer","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119942,"question":"The working of galvanometer depends upon torque exerted on a current carrying coil in","choices":[{"text":"magnetic field","value":"A"},{"text":"electric field","value":"B"},{"text":"gravitational field","value":"C"},{"text":"nuclear field","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119940,"question":"Galvanometer is a device used for the detection of","choices":[{"text":"voltage","value":"A"},{"text":"current","value":"B"},{"text":"temperature","value":"C"},{"text":"pressure","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119939,"question":"The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon","choices":[{"text":"Heating effect of current","value":"A"},{"text":"Chemical effect of current","value":"B"},{"text":"Magnetic effect of current","value":"C"},{"text":"Electromagnetic effect of current","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119938,"question":"To convert galvanometer into ammeter we connect","choices":[{"text":"small resistance in parallel with galvanometer","value":"A"},{"text":"small resistance in series with galvanometer","value":"B"},{"text":"high resistance in series with galvanometer","value":"C"},{"text":"high resistance in parallel with galvanometer","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119937,"question":"The galvanometer can be made sensitive if the value of the factor C/BAN is","choices":[{"text":"constant","value":"A"},{"text":"small","value":"B"},{"text":"large","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119936,"question":"A galvanometer is an instrument used to","choices":[{"text":"measure voltage across a circuit","value":"A"},{"text":"detect current in a circuit","value":"B"},{"text":"measure current flowing through a circuit","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":3}]