Drift velocity is independent of the diameter or cross-sectional area of the conductor. Since area depends on diameter hence if we keep all other quantity’s constant then Drift velocity is inversely proportional to diameter.
What happens to drift velocity when diameter is doubled?
Explanation: If both the wire diameter and the electron drift speed are doubled, the electron current
Does drift velocity depend on diameter?
Drift velocity is independent of the diameter or cross-sectional area of the conductor. Since area depends on diameter hence if we keep all other quantity’s constant then Drift velocity is inversely proportional to diameter.
On what factors does drift velocity depend?
The drift velocity is known to be primarily dependent on the applied voltage and another property on which it depends is the molecular structure of the wire and hence the material of the conductor. Slight temperature dependence is also observed.
Will drift velocity change if diameter is halved?
Explanation: Since the cross sectional current density stays the same, so does the drift velocity. ... If you halve the diameter, you divide the cross sectional area by 4 . To maintain the same current, the drift velocity must increase by a factor of 4.
Does drift velocity depend on voltage?
The charge carriers have a drift velocity called vd. It depends on the structure of the wire and is mostly controlled by the applied voltage. The linear relationship between current and applied voltage is provided by this velocity in an ohmic device.
Does drift velocity depend on resistance?
Does drift velocity depend on resistance? Since resistance is inversely proportional to current , and current is proportional to drift velocity, resistance must be inversely proportional to drift velocity.
How does drift velocity depend on length?
At constant potential difference, drift velocity is inversely proportional to the length of the conductor .
How does drift velocity depend on area?
Drift velocity is independent of the diameter or cross-sectional area of the conductor. Since area depends on diameter hence if we keep all other quantity’s constant then Drift velocity is inversely proportional to diameter.
What affects mean drift velocity?
The drift velocity is known to be primarily dependent on the applied voltage and another property on which it depends is the molecular structure of the wire and hence the material of the conductor. Slight temperature dependence is also observed.
What happens to the drift velocity of electron if it moves from thicker to thinner copper wire?
If a current flows from a thick copper wire into a thinner copper wire, the electrons will slow down (their drift velocity decreases).
What happens to resistance if radius is doubled?
Thus, if radius is doubled, area increases four times and hence the resistance becomes one-fourth.
What is the relation between current and drift velocity?
Current is the flow of free charges, such as electrons and ions. Drift velocity v d is the average speed at which these charges move. Current I is proportional to drift velocity v d , as expressed in the relationship I=nqAvd I = nqAv d .
How can drift velocity be increased?
First, we can say that increasing the temperature of the conductor will increase the kinetic energy of the electrons. Hence, their drift velocity should increase with increase in temperature .
What happens to drift velocity when potential difference is doubled?
Explanation: When the potential is double then the drift velocity is halved .
