for Ques 1--- always take care that the resultant capacitor in series combination is smallest of all
#4 voltage is same in parallel combination
#5 charge is same in series combination
Do follow any good book .any university level
Newtons 3rd law tells that for every action there is equal an d opposite rection
but action and reaction pair do not act on same body
suppose you press the Earth with some force. the Earth will give u same amount of reaction. only the reaction will act on u and u will move. whereas the action...