Question

describe the factors affecting the strength of an electromagnet give any one application of an electromagnet​

Answer 1

Answer:

Factors Affecting the Strength of the Magnetic Field of an Electromagnet: Factors that affect the strength of electromagnets are the nature of the core material, strength of the current passing through the core, the number of turns of wire on the core and the shape and size of the core.

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Answer 2

Factors Affecting the Strength of the Magnetic Field of an Electromagnet:

Factors that affect the strength of electromagnets are the nature of the core material, strength of the current passing through the core, the number of turns of wire on the core and the shape and size of the core.

How can we increase or decrease the strength of an electromagnet?

The strength of the magnetic field of an electromagnet increases when:

(a) The current is increased

(b) The number of turns is increased

(c) The turns of wire are pushed closer together so that the length of the solenoid becomes shorter

(d) A soft iron core is placed into the solenoid

The use of alloys such as aluminium-nickel- cobalt (alnico) can produce stronger magnetic fields.

The polarity at the ends of the solenoid is changed by changing the direction of the current. The direction of the magnetic field at any point can be shown by a plotting compass.

Electromagnetism serves as a basic principle of working for many of the home appliances in household applications. These applications include lighting, kitchen appliances, air conditioning systems, etc. The most dominant use of power in homes as well as commercial buildings is lighting systems.