What is an electromagnet,their advantages?
Answers
Answer:
Explanation:
Electro magnet is type of magnet which have magnetic field when current pass through them. Examples electric bells
Question -
What is electromagnetic? What are the advantages ?
Definition -
The temporary magnet made by passing electric current through a solenoid with a core of soft iron is called electromagnetic .
ADVANTAGE -
It can be made as per our required shape and size.
The power of electromagnetic can be increase it decrease.
Disadvantages -
It is expensive than the nature magnet .
The power of electromagnetic get easily discharge .
USES -
They are used for constructing electric bells, loudspeaker , fans etc
They are used to lift a d transport heavy loads .
They are used to separate magnetic substance from non magnetic substance.
Method for constructing -
To make an electromagnet , an iron rod and Insulated copper wire are required. The insulated copper wire should be wound round the iron. when the two ends of the copper coil are connected to a battery then an electromagnet is formed.