Quick picks on static electricity

Exercise and reference answers

Questions

1. Question

   Field lines start at charges that are:

   Choices

   1. Positive
   2. Negative
   3. Neutral

   Correct choice

   Positive

2. Question

   A dipole is two charges equal and:

   Choices

   1. Identical
   2. Opposite
   3. Neutral

   Correct choice

   Opposite

3. Question

   The dipole separation is written as:

   Choices

   1. 3a
   2. 4a
   3. 2a

   Correct choice

   2a

4. Question

   The total charge of a dipole is:

   Choices

   1. Zero
   2. Twice q
   3. Half q

   Correct choice

   Zero

5. Question

   Gauss law counts the charge that is:

   Choices

   1. Outside
   2. Enclosed
   3. Imagined

   Correct choice

   Enclosed

Instructions

Tap the correct answer before the round moves on.

Explanation