Quick picks on electric charge

Exercise and reference answers

Questions

1. Question

   Rubbed amber was studied by:

   Choices

   1. Thales
   2. Euclid
   3. Plato

   Correct choice

   Thales

2. Question

   Electrons move freely in:

   Choices

   1. Insulators
   2. Conductors
   3. Magnets

   Correct choice

   Conductors

3. Question

   Charge has magnitude but no:

   Choices

   1. Sign
   2. Size
   3. Direction

   Correct choice

   Direction

4. Question

   Total charge of an isolated system is:

   Choices

   1. Conserved
   2. Growing
   3. Shrinking

   Correct choice

   Conserved

5. Question

   Coulomb force varies inversely as distance:

   Choices

   1. Cubed
   2. Squared
   3. Itself

   Correct choice

   Squared

Instructions

Tap the correct answer before the round moves on.

Explanation