13.4. doeseach capacitor carry equal charge in series combination? explain.
v. according to coulombs law what happens to the attraction of two oppositely charged objects as their distance of separation increases?(a) increases(b) decreases(c) remains unchanged(d) cannot be determined
viii. five joules of work is needed to shift of charge from one place to another. the potential difference between the places is(a) (b) (c) (d)
example 13.1: two bodies are oppositely charged with and charge. find the force between the two charges if the distance between them in air is .
13.8. a capacitor holds coulombs of charge when fully charged by a 6 volt battery. how much voltage would be required for it to hold 2 coulombs of charge?ans. (400v)
iii. two uncharged objects and are rubbed against each other. when object is placed near a negatively charged object c the two objects repel each other. which of the following statements is true about object ?(a) remains unchargedb) becomes positively charged(c) becomes negatively charged (d) unpredictable