[{"id":177724,"question":"The magnetic flux will be max, For an angle of:","choices":[{"text":"0<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"A"},{"text":"60<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"B"},{"text":"90<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"C"},{"text":"180<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":177723,"question":"The torque in the coil can be increased by increasing:","choices":[{"text":"No. of turns","value":"A"},{"text":"Current and magnetic field","value":"B"},{"text":"Area of coil","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":177722,"question":"When charge particle enter perpendicular to magnetic field, the path followed by it is:","choices":[{"text":"A helix","value":"A"},{"text":"A circle","value":"B"},{"text":"Straight line","value":"C"},{"text":"Ellipes","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":177721,"question":"Magnetism is related to:","choices":[{"text":"Stationary charges","value":"A"},{"text":"Moving charges","value":"B"},{"text":"Stationary &amp; Movingcharges","value":"C"},{"text":"Law of motion","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":177720,"question":"A photon while passing thorugh a magnetic field are deflected towards:","choices":[{"text":"North pole","value":"A"},{"text":"South pole","value":"B"},{"text":"Are ionized","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":177719,"question":"A moving charge is surrounded by:","choices":[{"text":"2 Fields","value":"A"},{"text":"3 Fields","value":"B"},{"text":"4 Fields","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60201,"question":"NIBA =","choices":[{"text":"cθ","value":"A"},{"text":"θ/c","value":"B"},{"text":"c<sup>2</sup>θ","value":"C"},{"text":"c<sup>2</sup>/θ","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60200,"question":"A soft iron cylinder is placed &nbsp;inside coil galvanometer to:","choices":[{"text":"Make field circular and strong","value":"A"},{"text":"Make field radial and weak","value":"B"},{"text":"Make field radial and strong","value":"C"},{"text":"All of above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60197,"question":"A galvanometer is an electrical instrument used to","choices":[{"text":"Measure resistance","value":"A"},{"text":"Measure voltage","value":"B"},{"text":"Detect passage of current&nbsp;","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60196,"question":"Torque on a current carrying coil","choices":[{"text":"τ=IBA cos","value":"A"},{"text":"<span style=\"font-size: 13.63636302947998px;\">τ = ILB sin</span>α","value":"B"},{"text":"τ = IBA sinα","value":"C"},{"text":"τ = ILBcosα","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60195,"question":"The Grid 'G' in cathode ray oscilloscope.","choices":[{"text":"Accelerate as well as focus electron beam","value":"A"},{"text":"Control no. of electrons beam","value":"B"},{"text":"Is at - Ve potential with respect to cathode.","value":"C"},{"text":"Both d and b&nbsp;","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60194,"question":"An ammeter is an electrical instrument which is used to measure.","choices":[{"text":"Voltage","value":"A"},{"text":"Current","value":"B"},{"text":"Resistance","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60193,"question":"The sensitivity of Galvanometer can be increased by:","choices":[{"text":"Increasing C/BAN factor","value":"A"},{"text":"Decreasing C/BAN factor","value":"B"},{"text":"Increasing angle&nbsp;θ","value":"C"},{"text":"All of above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60192,"question":"The anodes in cathode ray oscilloscope.","choices":[{"text":"Control number of waves","value":"A"},{"text":"Control brightness of sept formed","value":"B"},{"text":"Accelerate as well as focus beam","value":"C"},{"text":"Negative potential w.r.t to chithode","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60191,"question":"e/m=","choices":[{"text":"v/Br","value":"A"},{"text":"Br/V","value":"B"},{"text":"VB/r","value":"C"},{"text":"Vr/B","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60190,"question":"The vector sum of electric force and magnetic force is called:","choices":[{"text":"Deflecting force","value":"A"},{"text":"Lorentz force","value":"B"},{"text":"Newton force","value":"C"},{"text":"Faraday's force","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60189,"question":"The magnetic field &nbsp;inside solenoid is given:","choices":[{"text":"μ<sub>∘</sub>nI<sup>2</sup>","value":"A"},{"text":"μ<sub>∘</sub>nI","value":"B"},{"text":"μ<sub>∘</sub>n/1<sup>2</sup>","value":"C"},{"text":"μ<sub>∘</sub>I/n","value":"D"},{"value":"E"}],"correctAnswer":2}]