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An electric current that rapidly changes directions is known as an alternating current (AC). This type of current flows back and forth in a circuit, changing direction at a specific frequency, such as 60 Hz in many parts of the world. This is in contrast to direct current (DC), which flows in only one direction.
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What is the relationship between the electric force and potential in a system with spherical symmetry?
In a system with spherical symmetry, the electric force is directly related to the potential. The electric force is the gradient of the electric potential, meaning that the force is stronger where the potential changes more rapidly. This relationship helps to describe how charges interact in a spherical system.
What is meant by orthogonal directions of polarization?
Orthogonal directions of polarization refer to two perpendicular directions in which an electromagnetic wave's electric field oscillates. In these directions, the electric fields are independent of each other and can be represented as perpendicular vectors. This property is commonly seen in linearly polarized light.
Is it possible for electric flux to have a negative value?
Yes, electric flux can have a negative value if the electric field and the area vector have opposite directions.
When electric current changes direction is called?
When electric current changes direction, it is called alternating current (AC).
What m-word is defined as a device that changes sounds into electric current?
A microphone is the device that changes sounds into electric current.
