1) You have two charged pieces of Scotch Magic tape. How would you determine if

Question

1) You have two charged pieces of Scotch Magic tape. How would you determine if they like or unlike charges? What would you need to determine if they are charge positively or negatively?

2) Two like charges are separated by some distance. Describe the quantitatively what will happen to the force exerted by one charge on the other if

a) the distance between the charges is doubled

b) the distance between the charges is halved

c) one of the charges is replaced by a charge of the same magnitude but opposite sign

Explanation / Answer

2) we have

Force = k* q1*q2/r^2

a)distance between the charges is doubled = that means the force exerted by one charge on the other becomes (1/4)th

b)the distance between the charges is halved= that means the force exerted by one charge on the other becomes 4 times

c) initially two like charges were placed so there will be force of repulsion between them. BUt when one of the charges is replaced by a charge of the same magnitude but opposite sign, the there will be force of attraction betwwen them. that means the direction of initial force is reversed

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.