[{"id":170450,"question":"A capacitor stores 0.24 coulombs at 10 volts. It capacitance\r\nis:
","choices":[{"text":"0.024F
","value":"A"},{"text":"0.12F
","value":"B"},{"text":"0.6F
","value":"C"},{"text":"0.8F
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":170449,"question":"The direction of electric field lines due to positive charge\r\nis:
","choices":[{"text":"A way from the charge
","value":"A"},{"text":"Towards the charge
","value":"B"},{"text":"Both a and b
","value":"C"},{"text":"None of these
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":170447,"question":"1.6x10-19 J= :
","choices":[{"text":"1F
","value":"A"},{"text":"1F
","value":"B"},{"text":"1N
","value":"C"},{"text":"1eV
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":170446,"question":"The presence of fish by the other fish can be detected by:
","choices":[{"text":"Magnetic field
","value":"A"},{"text":"Electric field
","value":"B"},{"text":"Gravitational field
","value":"C"},{"text":"All of above
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170445,"question":"Which process is\r\ninvolved to store charge in capacitors:
","choices":[{"text":"Rubbing
","value":"A"},{"text":"Electrostatic induction
","value":"B"},{"text":"Conduction
","value":"C"},{"text":"Electromagnetic induction
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170443,"question":"Application of electrostatic is:
","choices":[{"text":"Car painting
","value":"A"},{"text":"Photocopying
","value":"B"},{"text":"Extracting of dust
","value":"C"},{"text":"All of these
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":170441,"question":"Which is the unit of energy:
","choices":[{"text":"KWh
","value":"A"},{"text":"Electron volt
","value":"B"},{"text":"Joule
","value":"C"},{"text":"All of above
","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":170440,"question":"One joule per coulomb is called:
","choices":[{"text":"Volt
","value":"A"},{"text":"Farad
","value":"B"},{"text":"Ampere
","value":"C"},{"text":"Tesla
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":170439,"question":"In series combination\r\nof capacitors, each capacitor will have same:
","choices":[{"text":"Voltage
","value":"A"},{"text":"Charge
","value":"B"},{"text":"Capacitance
","value":"C"},{"text":"Charge and voltage
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170438,"question":"the insulator between the plates of capacitor is called:
","choices":[{"text":"dielectric
","value":"A"},{"text":"capacitance
","value":"B"},{"text":"resistivity
","value":"C"},{"text":"permittivity
","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":170437,"question":"parallel plate consists of 2 metal plates separated by:
","choices":[{"text":"conductor
","value":"A"},{"text":"insulator
","value":"B"},{"text":"wooden plate
","value":"C"},{"text":"plastic foam
","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":170436,"question":"an electrolytic capacitor is used to store large amounts of\r\ncharge at:
","choices":[{"text":"low voltage
","value":"A"},{"text":"high voltage
","value":"B"},{"text":"neutral
","value":"C"},{"text":"positive
","value":"D"},{"value":"E"}],"correctAnswer":1}]