Assuming That There Are 0

question 64

Multiple Choice

Assuming that there are 0.845 * 10²⁹ electrons per m³ in a wire with cross sectional area 69 mm² and drift velocity 4.12 * 10^-8 m/s,what is the density current in the wire?

• A)557 A/m²
• B)348 A/m²
• C)300 A/m²
• D)807 A/m²
• E)652 A/m²