What are some similarities between electricity and magnetism?

Answer 1

There is no such thing as a magnetic field without the movement of charges. And the movement of charges is electricity. One of the four fundamental forces in the universe is the electromagnetic force. Not the electric or the magnetic force, but the electromagnetic force. Basically, you can't have electricity without magnetism and vice versa. That may not make electricity and magnetism similar, but they are intertwined in a most intimate way.

Answer 2

Compare:

- Electricity and magnetism are both described mathematically as vector fields.

- The force attributed to both, the Lorentz force, only affects charged particles.

- A moving electric field is equivalent to a magnetic field.

Contrast:

- Magnetic field lines "loop" around their poles, electric field lines start at a point charge and continue on indefinitely.

- All materials feel a magnetic field through the effect of diamagnetism. Only charged particles feel an electric field.

- There is such a thing as a point charge, but there is no such thing as a magnetic monopole.

Answer 3

The similarities between magnetic circuits and electric circuits are as follows:

• magnetomotive force is equivalent to electromagnetic force
• flux is equivalent to current
• reluctance is equivalent to resistance
• magnetic field strength* is equivalent to voltage drop

The equation, mmf = flux x reluctance is equivalent to emf = current x resistance.

Magnetomotive force is expressed in amperes, flux is expressed in webers, reluctance is expressed in amperes per weber, and magnetic field strength* is expressed in amperes per metre. To avoid confusion with current, the 'ampere' in this context is often spoken as "ampere turn".

[*magnetic field strength is the same as magnetising force]

Answer 4

Somewhat.Both forces have to deal with positive and negative charges, but they function differently.

For instance, electricity happens when electrons are excited.In a metal, the electrons will pass from atom to atom, thus generating the electricity.Magnetism, however, is the force that allows ferrous metals(metals with iron)to attract or repulse, depending on like or different charges.

So all in all, electricity and magnetism are not the same, but quite similar, in fact so similar that scientists know that they are part of the same force, jointly called electromagnetism, which is one of the four fundamental forces.

Note that Rate of Change of electric field produces magnetic field. Rate of change of magnetic field produces electric field. This process can be self- sustaining, in the form of electromagnetc radiation (light, etc).

Answer 5

ey both die