What is the Difference Between Electricity and Magnetism?

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Electricity and magnetism are two interrelated phenomena in physics. The key difference between them lies in their presence and causality:

  1. Presence: Electricity can be present in a static charge, while magnetism's presence is only felt when there are moving charges as a result of electricity. In other words, electricity can exist without magnetism, but magnetism cannot exist without electricity.
  2. Causality: Electricity is due to the presence and movement of charge carriers, while magnetism is the result of the interaction between moving charges.

Some other differences between electricity and magnetism include:

  • Electricity produces both electric fields (in static and current electricity) and magnetic fields (in current electricity). Magnetism, on the other hand, is caused by the movement of electric charges and results in the interaction between moving charges.
  • Electricity is known to be an invisible force, while magnetism is regarded as an outcome of current electricity.
  • Electricity can be classified into two types: static electricity and current electricity. Magnetism, however, is caused only due to the movement of charges.

In summary, electricity and magnetism are closely related phenomena in physics, with electricity being the presence and motion of charged particles and magnetism being the result of the interaction between moving charges. While electricity can exist without magnetism, magnetism cannot exist without electricity.

Comparative Table: Electricity vs Magnetism

Here is a table highlighting the differences between electricity and magnetism:

Property Electricity Magnetism
Definition Electricity is the physical phenomenon caused by the accumulation or movement of electric charges. Magnetism is a physical phenomenon which is caused by the movement of charges and results in the attraction or repulsion of materials.
Cause The accumulation or movement of electric charges is the cause of the existence of electricity. Magnetism is caused only due to the movement of charges.
Existence Electricity can exist even without the existence of magnetism. Magnetism cannot exist without electricity.
Types There are two types of electricity: static electricity and current electricity. There are two types of magnetism: natural (or permanent) magnetism and induced magnetism.
Force Electric fields are generated around particles that bear electric charge, with positive charges being drawn towards it and negative charges being repelled. Magnetic fields are produced by moving electric charges and are responsible for the attraction or repulsion of materials.
Fields Electric fields occur wherever a voltage is present and are created around appliances and wires whenever a voltage exists. Magnetic fields are produced around an object when an electric current passes through it and are responsible for the attraction or repulsion of materials.

In summary, electricity is the result of the accumulation or movement of electric charges, while magnetism is the result of the movement of charges that produces an attraction or repulsion force between materials. Electricity can exist without magnetism, but magnetism cannot exist without electricity.