Q. Capacitance of a capacitor is 100μF and potential difference between plates is 50 volts then charge stored on each plate is 10 mC5 mC4 mC15 mC Answer: 5 mC

Q. In equation Q=CV, C is constant of proportionality called capacitor's powercapacitanceheatelectric intensity Answer: capacitance

Q. If two charges are increased by two times then force Decreases 9 timesIncreases 9 timesIncreases 4 timesDecreases 4 times Answer: Increases 4 times

Q. The force per unit charge is know as electric fluxelectric intensityelectric potentialall of above are same Answer: electric intensity

Q. If the distance between the two point charges become half then force between them becomes doublehalffour timesremains same Answer: four times

Q. Charge on capacitor plates is directly proportional to currentelectric field intensitypotential differenceresistance Answer: electric field intensity

Q. To distinguish between insulators and conductors, we can use electroscopetelescopeendoscopefiberscope Answer: electroscope

Q. The minimum charge on any object cannot be less than 1.6 x 10-19C3.2 x 10-19C9.1 x 109Cno definite value exist Answer: 1.6 x 10-19C

Q. Thunderclouds are charged by friction between clouds and airlayers of cloudswater molecules and airlayers of air Answer: water molecules and air

Q. If mica sheet is placed between the plates of a capacitor the capacity increasesdecreasesincreases then decreasesdecreases then increases Answer: increases