Motor Effect

Question 1

What happens if a wire is parallel to the magnetic field?

Answer 1

No force is experienced

Question 2

How do you increase the force in the motor effect?

Answer 2

1) Increase strength of magnetic field

2) Increase size of current/voltage

Question 3

How do you reverse the direction of the force in the motor effect?

Answer 3

1) Reverse direction of current

2) Reverse direction of magnetic field

Question 4

What do the fingers represent in Flemings LHR?

Answer 4

First finger = field (knuckle is north)
Second finger = current
Thumb = motion

Question 5

What happens if you put a wire (with a current running through it) in a magnetic field?

Answer 5

The temporary and permanent magnetic fields affect each other and a force is experienced