A moving charged particle creates a magnetic field around it. Charge through a wire creates a magnetic field around it, the properties of which can be determined using a right hand rule.
All magnetic fields are created by moving charged particles. Stationary charged particles do not generate magnetic fields. An electromagnet is a magnet that relies on an electric current to produce the magnetic field.
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The major transition occurred is that the universe became transparent to light for the first time. This is the consequence that might happen because of the changes in the universe at this time. The reaction between the elements that are present in the space can affect the present universe.
Answer:
F = M a is a vector equation
F has the same sign as A and is in the same direction as the vector a
If a is positive then F must also be positive
