Which is larger

Exercise and reference answers

Questions

1. A

   Force on a long wire in B

   B

   Force on a short wire in B

   Higher value

   Force on a long wire in B

2. A

   Cyclotron freq. at high B

   B

   Cyclotron freq. at low B

   Higher value

   Cyclotron freq. at high B

3. A

   Cyclotron freq. for light mass

   B

   Cyclotron freq. for heavy mass

   Higher value

   Cyclotron freq. for light mass

4. A

   Field near a current element

   B

   Field far from it

   Higher value

   Field near a current element

Instructions

Tap the side you think is higher.

Explanation