[{"id":60166,"question":"The fraction change in resistance per Kelvin is known as:","choices":[{"text":"Temperature coefficient of Resistance","value":"A"},{"text":"Coefficient of voltage of change","value":"B"},{"text":"Thermal &nbsp;expansion","value":"C"},{"text":"All of the above&nbsp;","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60165,"question":"The color code of \"Green\"","choices":[{"text":"8","value":"A"},{"text":"3","value":"B"},{"text":"5","value":"C"},{"text":"7","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60164,"question":"Electric power:","choices":[{"text":"Vx1","value":"A"},{"text":"V<sup>2</sup>x1","value":"B"},{"text":"V/1","value":"C"},{"text":"V/1<sup>2</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60163,"question":"The algebraic sum of potential change in a closed circuit is zero.&nbsp;","choices":[{"text":"Kirchhoff's 1st rule","value":"A"},{"text":"Kirchhoff 2<sup>nd</sup> rule","value":"B"},{"text":"Krichoff's 3<sup>rd</sup> rule","value":"C"},{"text":"Kirchhoff 4<sup>th</sup> &nbsp;rule","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60162,"question":"The Kirchhoff 1<sup>st</sup> rule is manifestation of:","choices":[{"text":"Law of conservation of mass","value":"A"},{"text":"Law of Conservation of charge","value":"B"},{"text":"Law of conservation of energy","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60161,"question":"The value of maximum output power is?","choices":[{"text":"E/4R","value":"A"},{"text":"E<sup>2</sup>/4R","value":"B"},{"text":"E/4R<sup>2</sup>","value":"C"},{"text":"Non of above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60160,"question":"Thermistor with high - ve temperature coefficient are very accurate for measuring low temperature especially near is.","choices":[{"text":"10 kelvin","value":"A"},{"text":"70 kelvin","value":"B"},{"text":"200 kelvin","value":"C"},{"text":"35 kelvin","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60159,"question":"Tolerance of \"Gold\" band.","choices":[{"text":"±10%","value":"A"},{"text":"±5%","value":"B"},{"text":"±15%","value":"C"},{"text":"±20%","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60157,"question":"The unit of conductivity is:","choices":[{"text":"Ohm<sup>-3</sup>m<sup>-1</sup>","value":"A"},{"text":"Ohm m<sup>-1</sup>","value":"B"},{"text":"Both a and b","value":"C"},{"text":"Ohm m<sup>-1</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60153,"question":"The vessel containing the tow electrodes and liquid to known as.","choices":[{"text":"Chemical cell","value":"A"},{"text":"Volt cell","value":"B"},{"text":"Volta cell","value":"C"},{"text":"Volta meter","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":60151,"question":"The heat produced by passage of current.&nbsp;","choices":[{"text":"H=I<sup>2</sup>Rt","value":"A"},{"text":"H=IR2T","value":"B"},{"text":"H=I/Rt","value":"C"},{"text":"H=I<sup>2</sup>/Rt","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60149,"question":"Heat energy is converted into electrical energy.","choices":[{"text":"Solar cells","value":"A"},{"text":"thermocouples","value":"B"},{"text":"Electric generators","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":60147,"question":"The free electrons experience force.","choices":[{"text":"In direction of -E","value":"A"},{"text":"In direction of E","value":"B"},{"text":"Both A and B","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":60145,"question":"The drift velocity is of order:","choices":[{"text":"10<sup>-13</sup>m/s","value":"A"},{"text":"10<sup>3</sup> m/s","value":"B"},{"text":"10<sup>-3</sup>m/s","value":"C"},{"text":"10<sup>-4</sup>m/s","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":60142,"question":"In gas the charge carriers are:","choices":[{"text":"Electrons","value":"A"},{"text":"Ions","value":"B"},{"text":"Both a &amp; b","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":2356,"question":"Unit (S.I) of temperature coefficient of resistivity of a material is","choices":[{"text":"K","value":"A"},{"text":"K<sup>-1</sup>","value":"B"},{"text":"<sup>o</sup>C","value":"C"},{"text":"K<sup>-2</sup>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":2354,"question":"Terminal potential difference is greater than emf of the cell when","choices":[{"text":"Circuit is open","value":"A"},{"text":"Circuit is closed","value":"B"},{"text":"small battery is charged by bigger battery","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3}]