Current and Drift Velocity Quiz

What is the unit of current?

• Coulomb

• Ampere

• Watt

• Volt

Why is current not considered a vector?

• It does not obey vector addition rules

• It is always positive

• It is a scalar quantity

• It has no direction

What is the conventional direction of current?

• Direction of electron flow

• Direction of positive charge flow

• Direction of magnetic field

• Direction of electric field

Which factor is NOT part of the second equation for current?

• Voltage

• Drift velocity

• Electron density

• Cross-sectional area

What is drift velocity?

• The speed of a car on a highway

• The speed at which charges move in a material

• The speed of sound in air

• The speed of light in a vacuum