past paper notes- electromagnetism

Question 1

State two situations in which a charged particle in a magnetic field does not experience a force? /2

Answer 1

1) particle is stationary
2) particle is moving parallel to magnetic field

Question 2

How can emf be induced?

Answer 2

1) by moving the magnet towards the solenoid
2) By moving the solenoid towards or away from the magnet
3) by keeping the magnet close to the solenoid and rotating it about its axis
4) pushing the magnet from one side of the solenoid and pulling the magnet from the other side of solenoid