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Himal kharel
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consider two wires of different diameter. when current enters from that of greater diameter to lesser diameter drift velocity increases. which force causes it to increase?
Drift velocity is the average velocity of charged particles, such as electrons, in a particular direction due to the application of an electric field.
The diameter of a wire affects drift velocity because it determines the cross-sectional area available for the movement of charged particles. A larger diameter wire will have a larger cross-sectional area, allowing for more particles to flow through it, resulting in a higher drift velocity.
The force that causes drift velocity to increase in wires of different diameters is the electric field. When an electric field is applied to a wire, it exerts a force on the charged particles, causing them to move and resulting in an increase in drift velocity.
Yes, there is a limit to how much the drift velocity can increase in wires of different diameters. This limit is determined by the strength of the electric field applied and the material properties of the wire, such as its resistivity and conductivity.
Other factors that can affect the drift velocity in wires of different diameters include the temperature of the wire, the type of material it is made of, and the length of the wire. These factors can impact the resistance of the wire, which in turn affects the speed of the charged particles and their drift velocity.