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27. Resistors & DC Circuits

Microscopic View of Current

27. Resistors & DC Circuits

Microscopic View of Current

Guided videos.

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Microscopic View of Current

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Anderson Video - Electron Drift Example

Professor Anderson

Drift Velocity Derivation - A Level Physics

Current from drift velocity (I = neAvd) | Electricity | Physics | Khan Academy

Khan Academy India - English

Drift velocity (concept & intuition) | Electricity | Physics | Khan Academy

Khan Academy India - English

Practice this topic

Multiple Choice

Typical household wiring in the United States is 14-gauge copper wire. 14-gauge wire has a radius of

0.815 mm

. What is the electron drift speed if a

10 A

current is carried in a 14-gauge wire?

Multiple Choice

What is the current density in a wire with a radius of

0.815 mm

carrying a current of

5.0 A

Multiple Choice

What current does a

0.23 V / m

electric field create in an iron wire of

0.8 mm

Multiple Choice

What is the electron current in a gold wire with a radius of

1.5 mm

when the electron drift speed is

1.0 \times 10^{- 4} m / s