[{"id":111166,"question":"Heating effect caused by an electric circuit is written","choices":[{"text":"H = I<sup>2</sup>Rt","value":"A"},{"text":"H = I<sup>2</sup>R","value":"B"},{"text":"H = IR<sup>2</sup>t","value":"C"},{"text":"H = IR<sup>2</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111165,"question":"Electric generators which convert mechanical energy into","choices":[{"text":"solar energy","value":"A"},{"text":"thermal energy","value":"B"},{"text":"kinetic energy","value":"C"},{"text":"electrical energy","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":111164,"question":"Solar cell converts sunlight directly into","choices":[{"text":"potential energy","value":"A"},{"text":"thermal energy","value":"B"},{"text":"mechanical energy","value":"C"},{"text":"electrical energy","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":111163,"question":"If a 40 watt light bulb burns for 2 hours. how much heat is generated","choices":[{"text":"288 x 10<sup>3</sup>J","value":"A"},{"text":"288 x 10<sup>8</sup>J","value":"B"},{"text":"288 x 10<sup>5</sup>J","value":"C"},{"text":"288 x 10<sup>6</sup>J","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111162,"question":"The potential difference across the conductors should be maintained constant by connecting the ends of wire to the terminal of a device called a source of","choices":[{"text":"power","value":"A"},{"text":"current","value":"B"},{"text":"resistance","value":"C"},{"text":"temperature","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111161,"question":"The speed of randomly moving electrons depends upon","choices":[{"text":"pressure","value":"A"},{"text":"volume","value":"B"},{"text":"temperature","value":"C"},{"text":"mass","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111160,"question":"The conventional current in a circuit is defined as \" current which passes from a point at higher potential to a point at lower potential as if it represent a movement of","choices":[{"text":"negative charges","value":"A"},{"text":"positive charges","value":"B"},{"text":"protons","value":"C"},{"text":"electrons","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111159,"question":"The charge carriers in gases are","choices":[{"text":"electrons","value":"A"},{"text":"ions","value":"B"},{"text":"protons","value":"C"},{"text":"ions and electrons","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":111158,"question":"The charge carriers in electrolyte are positive and negative","choices":[{"text":"protons","value":"A"},{"text":"electrons","value":"B"},{"text":"ions","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111157,"question":"The relation between charge 'Q' and current 'I' is given by","choices":[{"text":"Q = I/t","value":"A"},{"text":"Q = It","value":"B"},{"text":"Q = I<sup>2</sup>t","value":"C"},{"text":"Q = I<sup>2</sup>/t","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111156,"question":"Which of the following represents an electric current?","choices":[{"text":"C<sup>-1</sup>","value":"A"},{"text":"CS<sup>-1</sup>","value":"B"},{"text":"J.S<sup>-1</sup>","value":"C"},{"text":"dynes<sup>-1</sup>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111155,"question":"The SI unit of current is","choices":[{"text":"watt","value":"A"},{"text":"coulomb","value":"B"},{"text":"volt","value":"C"},{"text":"ampere","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":111154,"question":"One coulomb per second is equal to","choices":[{"text":"One volt","value":"A"},{"text":"One ampere","value":"B"},{"text":"One hom","value":"C"},{"text":"One henry","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111153,"question":"The charge per unit time through any cross-section of a conductor is called","choices":[{"text":"capacitance","value":"A"},{"text":"electric power","value":"B"},{"text":"current","value":"C"},{"text":"potential 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combination","value":"A"},{"text":"Increases in parallel combination","value":"B"},{"text":"Remains unchanged","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111148,"question":"The electric intensity at infinite distance from the point charge will be","choices":[{"text":"Infinite","value":"A"},{"text":"Positive","value":"B"},{"text":"Zero","value":"C"},{"text":"Negative","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111147,"question":"The electric intensity outside the two oppositely charged parallel metal plates is","choices":[{"text":"Maximum","value":"A"},{"text":"Minimum","value":"B"},{"text":"Zero","value":"C"},{"text":"Infinite","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111146,"question":"The energy stored in a charge capacitor","choices":[{"text":"1/2CV<sup>2</sup>","value":"A"},{"text":"1/2C<sup>2</sup>V","value":"B"},{"text":"1/2C/V<sup>2</sup>","value":"C"},{"text":"None of 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mass","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":111140,"question":"The SI unit of capacitance is","choices":[{"text":"Farad","value":"A"},{"text":"Henry","value":"B"},{"text":"Ohm","value":"C"},{"text":"Volt","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111136,"question":"Electron volt is the unit of.","choices":[{"text":"Potential difference","value":"A"},{"text":"Energy","value":"B"},{"text":"Resistance","value":"C"},{"text":"Capacitance","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111125,"question":"The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is","choices":[{"text":"Q=V/C","value":"A"},{"text":"Q=C/V","value":"B"},{"text":"Q=1/2CV","value":"C"},{"text":"Q=CV","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":111123,"question":"Electron volt is the unit of","choices":[{"text":"Potential difference","value":"A"},{"text":"Energy","value":"B"},{"text":"Resistance","value":"C"},{"text":"Capacitance","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":111122,"question":"If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy","choices":[{"text":"Ve","value":"A"},{"text":"V/e","value":"B"},{"text":"e/V","value":"C"},{"text":"2Ve","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":111121,"question":"One joule is equal to","choices":[{"text":"1.6 x 10<sup>19</sup>eV","value":"A"},{"text":"6.25 x 10<sup>18</sup>eV","value":"B"},{"text":"1.6 x 18<sup>18</sup>eV","value":"C"},{"text":"6.25 x 10<sup>19</sup>eV","value":"D"},{"value":"E"}],"correctAnswer":2}]