The diagram below shows a loop of wire carrying current I:
Electricity and Magnetism (10)The diagram below shows a loop of wire carrying current I:

- What is the magnetic polarity of the loop that faces us?
- With respect to the diagram how can we increase the strength of the magnetic field produced by this loop?
Answer
(i) South
(ii) By increasing the strength of the current.
- Exam Year: 2020