Teaching OSSTET Mock Test 2023 Physics Electromagnetic Induction and Inductance Faraday’s Law of Induction
Which of the following is the reason for an iron core increasing the magnetic field of a coil of wire?
1. The iron atoms line up to add the magnetic field.
2. Iron is, among other things, attracted to a magnetic field.
Choose the correct code.
1
Only 1
2
Neither 1 nor 2
3
Only 2
4
Both 1 and 2