Spot the one that does not fit

Exercise and reference answers

Questions

1. Items

   1. Magnet held still
   2. Magnet moving in
   3. Rod moving across
   4. Current changing

   Odd item

   Magnet held still

2. Items

   1. Two coils
   2. Co-axial pair
   3. One coil alone
   4. Coil on a coil

   Odd item

   One coil alone

3. Items

   1. Flux change
   2. Induced emf
   3. Induced current
   4. Steady flux

   Odd item

   Steady flux

4. Items

   1. Motional emf
   2. Lorentz force
   3. Moving rod
   4. Still circuit

   Odd item

   Still circuit

Instructions

Tap the item that does not belong with the rest.

Explanation