[{"id":170410,"question":"Positive charge can be produced by:
","choices":[{"text":"Combing in hair
","value":"A"},{"text":"Rubbing glass rod on silk
","value":"B"},{"text":"By rubbing ebonite rod on wool
","value":"C"},{"text":"By rubbing glass rod wool
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170408,"question":"If the distance between the charged bodies is much greater\r\nas compared to their sizes then the\r\nbodies are considered is:
","choices":[{"text":"Positive charge
","value":"A"},{"text":"Negative charge
","value":"B"},{"text":"Point charge
","value":"C"},{"text":"Zero charge
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":170406,"question":"If the distance between two point charges is reduced to\r\nhalf, the coulomb’s force become:
","choices":[{"text":"Half
","value":"A"},{"text":"Two times
","value":"B"},{"text":"One fourth
","value":"C"},{"text":"Fourth times
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":170405,"question":"Electroscope is used for detecting:
","choices":[{"text":"Current
","value":"A"},{"text":"Charge
","value":"B"},{"text":"Voltage
","value":"C"},{"text":"Resistance
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170403,"question":"Capacitors are used to store:","choices":[{"text":"Current","value":"A"},{"text":"Voltage","value":"B"},{"text":"Charge","value":"C"},{"text":"Resistance","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":170402,"question":"To protect the gold leaves of electroscope from the external\r\nelectric disturbances, the aluminum foil is grounded by a thin wire, which is\r\nmade up of:
","choices":[{"text":"Aluminum
","value":"A"},{"text":"Silver
","value":"B"},{"text":"Copper
","value":"C"},{"text":"Brass
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":170401,"question":"The value of K in SI unit is:
","choices":[{"text":"9X1020 Nm2C2
","value":"A"},{"text":"8X109Nm2C2
","value":"B"},{"text":"9X109Nm2C2
","value":"C"},{"text":"10X10-9 Nm2C-2
","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":170400,"question":"Give the number of factors which affect the ability of a\r\ncapacitor to store charge.
","choices":[{"text":"2","value":"A"},{"text":"3","value":"B"},{"text":"4","value":"C"},{"text":"5","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170399,"question":"Static electricity can be generated by:
","choices":[{"text":"Lubrication
","value":"A"},{"text":"Friction
","value":"B"},{"text":"Motion
","value":"C"},{"text":"Smaller the objects
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170398,"question":"In variable capacitor, dielectric medium is:
","choices":[{"text":"Paper
","value":"A"},{"text":"Air
","value":"B"},{"text":"Mica
","value":"C"},{"text":"Ceramic
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170397,"question":"SI unit of capacitance is:
","choices":[{"text":"Joule
","value":"A"},{"text":"Volt
","value":"B"},{"text":"Watt
","value":"C"},{"text":"Farad
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":170396,"question":"1 volt is equal to:
","choices":[{"text":"JC
","value":"A"},{"text":"JC-1
","value":"B"},{"text":"JC-2
","value":"C"},{"text":"JC-3
","value":"D"},{"value":"E"}],"correctAnswer":2}]