Q10. List three methods of producing magnetic fields.
Answers
Answer:
By using a permanent magnet we can produce the magnetic field and it can be visualized by spreading iron fillings on a white paper and keeping a magnet beneath the paper.
A current-carrying straight conductor produces the magnetic field.
Different types of conductors such as solenoid and circular loop can be used to see the presence of a magnetic field.
Some of the methods of producing magnetic field are using :
1 . Permanent magnets
2 . Electromagnets
3. current carrying conductor
Explanation:
An electric current produces a magnetic field. This magnetic field can be visualized as a pattern of circular field lines circling a wire.
1. Permanent magnets
Permanent magnets are the most common sources of the magnetic field. Nevertheless, the magnetic fields of permanent magnets are hard to calculate and need an understanding of intricate ferromagnetic phenomena. A compass needle is an example of a permanent magnet.
2. Current-carrying conductors
An electric current produces a magnetic field. This magnetic field can be visualized as a pattern of circular field lines circling
3. Electromagnets
A simple electromagnet comprises a coil of wire wound around an iron core. The iron core assists to increase the magnetic field created. The strength of the magnetic field generated is proportional to the amount of current through the winding.