[{"id":212158,"question":"The magnetic field inside a solenoid is","choices":[{"text":"Zero","value":"A"},{"text":"Infinite","value":"B"},{"text":"Uniform","value":"C"},{"text":"Non uniform","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":212157,"question":"Which quantity is not affected by a magnetic field.","choices":[{"text":"Moving charge","value":"A"},{"text":"Stationary charge","value":"B"},{"text":"Current flowing in a conductor","value":"C"},{"text":"Charge in magnetic flux","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":212156,"question":"Which are the following describe the study of static magnetic fields.","choices":[{"text":"Electrodynamics","value":"A"},{"text":"Megnetostatic","value":"B"},{"text":"Electrostatic","value":"C"},{"text":"Paraamagnetism","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":212155,"question":"What is the properly of materials that responds at an atomic or subatomic level to an applied magnetic field.","choices":[{"text":"Magnetism","value":"A"},{"text":"electroplating","value":"B"},{"text":"Diamagnetism","value":"C"},{"text":"<div>Electrolysis</div>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":212154,"question":"If a conductor sun infirmly stretched so that its length is increased in timed, then its resistance becomes.","choices":[{"text":"n times the original resistance","value":"A"},{"text":"1/n times the original resistance","value":"B"},{"text":"n2 times the original resistance","value":"C"},{"text":"n3 times the original resistance","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":212153,"question":"The cathode ray oscilloscope is used","choices":[{"text":"For viewing the wave shape of rapidly changing electric current","value":"A"},{"text":"As voltmeter","value":"B"},{"text":"For measuring time intervals between electricalimpulses","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":212152,"question":"If a resistance is connected in parallel with a galvanometer the resulting instrument is called.","choices":[{"text":"A voltmeter","value":"A"},{"text":"An ammeter","value":"B"},{"text":"A wattmeter","value":"C"},{"text":"A potentiometer","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":212151,"question":"In electric magnetism , the additional fundamental quantity that is chosen as a basic unit is called.","choices":[{"text":"Electric potential","value":"A"},{"text":"Electric fierce","value":"B"},{"text":"Electric charge","value":"C"},{"text":"Magnetic force","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":212150,"question":"Relative permeability is","choices":[{"text":"The ratio of flux density in a material to that for a vacuum","value":"A"},{"text":"Very large for paramagnetic materials","value":"B"},{"text":"small for paramagnetic materials","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":212149,"question":"A straight wire carrying current will experience a force when place in uniform magnetic field if","choices":[{"text":"The current and field are parallel","value":"A"},{"text":"The current and field are at an angle","value":"B"},{"text":"the current and field are parallel in opposite directions","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":212148,"question":"A straight wire carrying current will experience a force when placed in a uniform magnetic field if","choices":[{"text":"The current and field are parallel","value":"A"},{"text":"The current and field are at an angle","value":"B"},{"text":"the current and field are parallel in opposite directions","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":212147,"question":"When a charged particle is moved through a magnetic field if suffers is change in its.","choices":[{"text":"Charge","value":"A"},{"text":"energy","value":"B"},{"text":"Mass","value":"C"},{"text":"direction of motion","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":212146,"question":"Which given material is the best for making connecting wires","choices":[{"text":"Nichrome","value":"A"},{"text":"Iron","value":"B"},{"text":"Gold","value":"C"},{"text":"Copper","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":212145,"question":"Which of the following quantity in analogous to temperature in electricity.","choices":[{"text":"Charge","value":"A"},{"text":"Resistance","value":"B"},{"text":"Inductances","value":"C"},{"text":"Potential","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":212144,"question":"Which of the following quantities is analogous to mass in electricty.","choices":[{"text":"Charge","value":"A"},{"text":"Potential","value":"B"},{"text":"Capacitance","value":"C"},{"text":"Inductance","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":212143,"question":"The current passing through the switch s will be","choices":[{"text":"Zero","value":"A"},{"text":"3 A","value":"B"},{"text":"4.5 A","value":"C"},{"text":"10 A","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":212142,"question":"Which one of the following instruments has the maximum resistance.","choices":[{"text":"Ammeter","value":"A"},{"text":"Voltmeter","value":"B"},{"text":"Micro ammeter","value":"C"},{"text":"Milli ammeter","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":212141,"question":"In which device is a permanent magnet used","choices":[{"text":"An electric bell","value":"A"},{"text":"An electromagnet","value":"B"},{"text":"A plotting compass","value":"C"},{"text":"A relay","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":212140,"question":"It is deduced that a piece of metal is already a magnet if","choices":[{"text":"A copper wire is attracted to it","value":"A"},{"text":"A copper wire is repelled by it","value":"B"},{"text":"One end of a compass is repelled by it","value":"C"},{"text":"Both ends of a compass needle are attracted to it.","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":212139,"question":"The current passing through the coil of a galvanometer is directly proportional to","choices":[{"text":"Resistance","value":"A"},{"text":"voltage","value":"B"},{"text":"Angle of deflection","value":"C"},{"text":"conductance","value":"D"},{"value":"E"}],"correctAnswer":3}]