Unit3 AOS1 - Fields and Interactions

Question 1

Monopole

Answer 1

Object which is either:
- source of a field
OR
- sink of a field

Question 2

Dipole

Answer 2

Object which is both:
- source of a field
AND
- sink of a field

Question 3

Static Fields

Answer 3

Fields that are not changing over time

(stationary magnet)

Question 4

Changing Fields

Answer 4

Fields that are changing over time

(e.g. magnet in motion)

Question 5

Uniform Fields

Answer 5

Fields that have a consistent strength & directional at all points

Question 6

Non-Uniform Fields

Answer 6

Fields where the strength and direction depends on its location

Question 7

Magnetic Field Lines (direction of flow and rules)

Answer 7

Flow from the North to the South Pole

Never touch or cross each other

Question 8

How to find the direction of the magnetic fields around current carrying wires

Answer 8

Use the Right Hand Grip Rule

Thumb - indicates direction of current
Curled Grip - indicates direction of the field lines

Question 9

How to find the direction of the magnetic fields around loops of wires

Answer 9

Use the Right Hand Coil Rule

Thumb - represents the orientation of the current source
Curled Fingers - represents the current and direction of each loop

Question 10

How to find the direction of the magnetic fields around Solenoids

Answer 10

Use the Right Hand Coil Rule

Thumb - represents the orientation of the current source
Curled Fingers - represents the current and direction of each loop