Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   Rubbing two bodies creates new charge

   Statements

   1. Charge is quantised in multiples of e
   2. Charges add algebraically with their signs
   3. Rubbing two bodies creates new charge

2. False statement

   A glass rod rubbed with silk becomes negative

   Statements

   1. A glass rod rubbed with silk becomes negative
   2. Like charges repel
   3. Unlike charges attract

3. False statement

   Field lines point inwards from a positive charge

   Statements

   1. Field lines crowd where the field is strong
   2. Field lines point inwards from a positive charge
   3. The tangent gives the field direction

Explanation