Question: The current density is the same in two wires. Wire A has twice the free - electron concentration of wire B . How does the

The current density is the same in two wires. Wire A has twice the free-electron concentration of wire B. How does the drift speed of electrons in A compare to that of electrons in B? Explain.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Heres the explanation of how the drift speeds compare in wire A and B Key concept Current Density J ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

Q:

(Multiple choice) (1) Two wires of the same material with the same length have different diameters. Wire A has twice the diameter of wire B. If the resistance of wire B is R, then what is the...

Q:

A thin long wire A has twice the diameter and half the length of wire B. Both wires are made of the same material. (a) If the resistance of wire A equals R, find the resistance of Wire B; (b) compare...

Q:

A 5.00-A current runs through a 12-gauge copper wire (diameter 2.05 mm) and through a light bulb. Copper has 85 X 1028 free electrons per cubic meter. (a) How many electrons pass through the light...

Q:

please answer the MCQ question below. 1.How to reduce the equipment uncertainty? Select one: a. Use the precise apparatus b. Increase the number of the trials c. None of the answers is correct d....

Q:

An aluminum wire with a diameter of 0.100 mm has a uniform electric field of 0.200 V/m imposed along its entire length. The temperature of the wire is 50.0C. Assume one free electron per atom. (a)...

Q:

An aluminum wire with a diameter of 0.115 mm has a uniform electric field of 0.215 V/m imposed along its entire length. The temperature of the wire is 550C. Assume one free electron per atom. (a) Use...

Q:

The topic was all about Current In the A part , what are the particular terms described in each statement? In the B part , which statements are true and false? If it is inaccurate, explain why it is...

Q:

Please answer for c) and d). Imagine a 1 [m] length of copper wire that carries a current of 50 [mA] and has a cross-section area of 0.4 x 10-6 [m]. a) What is the drift speed of the electrons?...

Q:

1Which of the following statements is true about current? Select your answer. It moves from a low electric potential to a high electric potential. Its 51 unit is coulomb per square meter {g} or...

Q:

instructions; In order to understand each of these speeds and why they are all different and yet physically meaningful, we need to understand the basics of electric currents. Electric currents in...

Q:

An airline serves lunch in the first- class cabin. Customers are given a choice of either a sandwich or chicken salad. There are 12 customers in first-class, and the airline loads seven of each meal...

Q:

A simply supported (at its ends) beam with a span length of 30 ft is with laterally support and is subjected to the following service loads: Dead Load = 3.33 kips/ft; Live Loads = 6.67 kips/ft. If...

Q:

hitps / / / learning . riheducation com / static / awd / index . html ? t = 1 7 5 2 4 4 2 6 0 0 5 3 1 0 ? Me 8 of 2 0 Concepts completed Multiple Select Question Select all that apply Which of the...

Q:

Why might client lawyers be hesitant to disclose information to auditors?

Q:

The following stockholders' equity accounts arranged alphabetically are in the ledger of Westin Corporation at December 31, 2019. Common Stock ($10 stated...

Q:

On January 1, Graves Corporation had 60,000 shares of no-par common stock issued and outstanding. The stock has a stated value of $4 per share. During the year, the following transactions occurred....

Q:

Several years ago, Junior acquired a home that he vacationed in part of the time and rented out part of the time. During the current year Junior: Personally stayed in the home for 22 days. Rented...

Q:

The stockholders' equity section of Lachlin Corporation's balance sheet at December 31 is presented here. Instructions From a review of the stockholders' equity section, answer the following...

Q:

IASB identified the _ _ _ _ _ _ _ Characteristics of accounting information that distinguish better ( more useful ) information from inferior ( less useful ) information for decision - making...

Q:

A force F 0 causes an acceleration of 3 m/s 2 when it acts on an object of mass m sliding on a frictionless surface. Find the acceleration of the same object in the circumstances shown in Figure a...

Q:

Assume that the rubber band of Problem 57 behaves like an ideal spring. The band is attached to two posts whose separation D can be varied. (a) Derive an expression for the frequency of the...

Q:

A sample of radioactive material is initially found to have an activity of 115.0 decays/min. After 4 d 5 h, its activity is measured to be 73.5 decays/min. (a) Calculate the half-life of the...

Q:

Multiple Choice Questions 1. Which of the following is a criterion that must be met in order for an item to be recognized as an intangible asset? a. The item's fair value can be measured reliably. b....

Q:

Quantacc Company began operations on January 1, Year 1, and uses IFRS to prepare its financial statements. Quantacc reported net income of $100,000 in Year 5 and had stockholders' equity of $500,000...

Q:

This problem is comprised of three parts. Part A. Fields Company sells a building to Victory Finance Company. The selling price of the building is $500,000, which approximates its fair value, and the...