Field and force directions

Exercise and reference answers

Questions

1. Question

   The magnetic force direction comes from

   Choices

   1. A dot product
   2. A sum
   3. A cross product

   Correct choice

   A cross product

2. Question

   For F = I l cross B, l points along the

   Choices

   1. Current
   2. Field
   3. Force

   Correct choice

   Current

3. Question

   A charge moving parallel to B feels

   Choices

   1. Maximum force
   2. No magnetic force
   3. A reversed force

   Correct choice

   No magnetic force

4. Question

   The orbit plane is normal to

   Choices

   1. E
   2. v only
   3. B

   Correct choice

   B

Instructions

Tap the chip that answers each prompt.

Explanation