Question

study the flow-chart below and describe the process of manufacturing pencil in about 100 words:

(Hints):
[Grinding of graphite], [mixing with clay and water],[preparing a dough],[pressing in the form of a rope straight],[cutting into desired sizes],[exposing to the sun for drying],[baking],[pencil].​

Answer 1

Answer:

N Increasing the number of coils, which adds more field lines and makes the electromagnet stronger. This is the magnetic field around a piece of wire, compared to a magnetic field on a loop or solenoid it is weak. Turning coils around and passing a current through them will make a much stronger electromagnet.