Calculate the current density and electron drift speed

Reference no: EM13242432

A small but measurable current of 7.4 x 10-10 A exists in a copper wire whose diameter is 2.9 mm. The number of charge carriers per unit volume is 8.49 x 1028 m-3. Assuming the current is uniform, calculate the

(a) current density and

(b) electron drift speed.

Reference no: EM13242432

Questions Cloud

Would higher or lower rates increase the incomes of agents : Insurance agents receive a commission on the policies they sell. Many states regulate the rates that can be charged for insurance. Would higher or lower rates increase the incomes of agents Explain, distinguishing between the short run and the lon..

Find the capacitance of a parallel plate capacitor : Find the capacitance of a parallel plate capacitor that has two square plates both having a side length of 6 cm, where these plates are seperated by 15 mm

Is there outcome that would be better than nash equilibrium : A case study in the chapter describes a phone conversation between the presidents of American Airlines and Braniff Airways. Let's analyze the game between the two companies.

What is the long run equilibrium number of firms : All cheese manufacturers have the cost function C=Q^2+9, while demand for cheese is given by Qd=120-P. The long run equilibrium number of firms is

Calculate the current density and electron drift speed : A small but measurable current of 7.4 x 10-10 A exists in a copper wire whose diameter is 2.9 mm, calculate the current density and electron drift speed

What is the equilibrium price and the equilibrium quantity : Given the table below, graph the demand and supply curves for flashlights. Make certain to label the equilibrium price and equilibrium quantity. What is the equilibrium price and the equilibrium quantity

Expanding islam world and post-roman western : Compare and contrast the social, cultural, political, and economic practices of the expanding Islam world and post-Roman Western Europe during the early stages of the post-classical era.

Nomadic peoples of asia were so successful : Why do you think the nomadic peoples of Asia were so successful and influential during 1000 to 1500 period? What was different from earlier centuries? What were the limits of their success?

Why might a profitable motel shut down in the long run : Why might a profitable motel shut down in the long run if the land on which it is located becomes extremely valuable due to surrounding economic development What kinds of costs are involved in making a decision to shut down

User Account

All Pages