Physics Questions And Answers :: Coulombs Law: part1



Basic Science : Coulombs Law QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

1.If the distance between two charges is doubled, the electrostatic force between the charges will

be four times more
be four times less
increase two times
decrease two times

2.Charges can be

created
destroyed
cannot be created
multiplied

3.Force between two similar charges is given by

q2/4πεor repulsive
q2/4πεr2 attractive
q/4πεor2 repulsive
q2/4πεor2 repulsive

4.The unit of 1/4πεo is

C2 N-1 m-2
C -2 N-1 m2
C2 N1 m-2
C-2 N m2

5.A force exists between two point charges in air. If the charges are moved to a medium having εr =5 without altering the distance between them, the new force between them

will increase by 5 times
will decrease by 0.2 times
will decrease by √5 times
will increase by 25 times

More Coulombs Law QUESTIONS AND ANSWERS available in next pages

    Health is the greatest gift, contentment is the greatest wealth -Buddha
If you are not willing to risk the usual you will have to settle for the ordinary- Jim Rohn