![Question 4 15 points] Multiple choice questions: Circle the correct response. Three pieces of wire (of the same material) are shown on the figure. Rank the wires by the current that results if you connect them to a 12 V battery. i. in iB ic iii. iB in ic iv. ic iA iB ics iB 3L 2D](http://img.homeworklib.com/questions/00a2c5a0-cc46-11ea-b2cb-999d26371612.png?x-oss-process=image/resize,w_560)
Homework Answers
resistance R= L/A
= resistivity and
is same for all the three.L= length and A = area
for A, r1= L/pi(0.5
D)2.
r1=4 L/pi
D2.
r2= (2L)/pi(0.5
D)2.
r2=8 L/pi
D2.
r3= (3L)/pi(
D)2.
r3=3 L/pi
D2.
so r2 >r1>r3
now current= i/r
so the resistor which as more resistance will have less current.
so ic>ia>ib
Add Answer to:
Multiple choice questions: Circle the correct response. Three pieces of wire (of the same material) are...
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1:...
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length l, radius 2r wire 2: length 2l, radius wire 3: length 31/2, radius r/2 (b) A potential difference Vis applied across the length of the wires. Rank them according to the current that flows through them, greatest first. Select one: O a. 1>2>3 b. 3 > 2>1 c. 2>3 > 1 O d. 3>2>1 e. 1=2>3 CY
Three cylindrical wires are made of the same material. Their lengths and radii are
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length ℓ, radius 2r wire 2: length 2ℓ, radius r/2 wire 3: length 4ℓ, radius r/3 (a) Rank the wires according to their resistances, greatest first. Select one: a. 1>2>3 b. 3>2>1 c. 2>3>1 d. 1=2>3 e. 1>3>2(b) A potential difference V is applied across the length of the wires. Rank them according to the current density across their cross sections, greatest first. Select one: a. 1 = 2 >3 b.1>3>2 c. 1>2>3 d. 3>2>1 e. 2>3 >...
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1:...
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length 24, radius r/2 wire 2: length 34, radius 3r wire 3: length , radius r/4 (b) Rank the wires according to the current density across their cross sections, greatest first Select one O a. 1>3>2 O b. 1 =2> 3 c.3>1 > 2 O d. 3 > 2>1 O e. 1>23
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1:...
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length 22, radius r/2 wire 2: length 38, radius 3r wire 3: length , radius r/4 (b) Rank the wires according to the current density across their cross sections, greatest first Select one O a. 3>21 b.1=23 O 01>3>2 O d. 1>2>3 O e. 3 >1>2 Activate Windows Co to Settings to activate Windows
5. (20 pts) Short Answer/Multiple Choice. Note: You are asked for iwo pieces of information in...
5. (20 pts) Short Answer/Multiple Choice. Note: You are asked for iwo pieces of information in both part b and part c. a. P(-1.26 < Z < 1.74) is very nearly equal to (choose one): i. 0.8633 ii. 0.8588 i. 0.8553 iv. 0.8403 b. If Xi, ?,, ,X, are independent Normal random variables, then X, +X, + one) approximately/exactly + X is (circle (fill-in the blank) c. If X,x, X are independent Uniform[a,b] random variables with n not small, then...
31 Multiple Choice Problems: 16 questions, 4 pts each =64 total. 1. Circle optically active molecules...
31 Multiple Choice Problems: 16 questions, 4 pts each =64 total. 1. Circle optically active molecules from the list below: HO Br H Br H HC 2. What is the relationship of the following two molecules, one in bond-line structure and one in Fischer projection? Br Me Me Cl CA Br Same molecule with same rotational conformation a. b. Same molecule with different rotational conformation C. Constitutional isomers d. Enantiomers Diastereomers e. Identify the resonance pattern for the following curved...
2. The graphs of functions f and g are shown below. Circle your choice for each...
2. The graphs of functions f and g are shown below. Circle your choice for each of the questions below. 1 3 2 g 0 2 a. Let u(x) = 160. Find the value of '(1) g(x) ii. 3 9 iv. / V. None of the above b. Let v(x) = x2. [f(x)]'. Find the value of v'(6). i. 1296 ii. -81 iii. 567 iv. 81 V. None of the above
Consider a multiple choice exam of 20 questions. Suppose each question has four choices and only...
Consider a multiple choice exam of 20 questions. Suppose each question has four choices and only one of them is correct. If a student is going to guess answers, what is the probability that he answers i.) all questions correctly? ii.)more than 10 questions correctly? iii.)more than 5 and less than 10 correctly? iv.) How many Questions do you expect him to answer correctly?
answer these multiple choice questions plz 16. What is the product of the following reaction? 18....
answer these multiple choice questions plz
16. What is the product of the following reaction? 18. What is the product of the following reaction? KO 1. NaOCH, 2.H ? OCH он OCH Br OH BrЛон осна OH 19. Which of the following is a likely product of the reaction sequence shown? 17. Arrange the following alkyl halides in order of decreasing reactivity (most - least) in an Sw1 reaction: OH W 1. TsCl, pyridine 2. NaOH(aq) I 3-bromo-3-methylpentane II 1-chloropentane...
Question 10: Objective Question: Circle the letter corresponding to the BEST answer for each multiple choice...
Question 10: Objective Question: Circle the letter corresponding to the BEST answer for each multiple choice question. Partial credit may be awarded for incorrect answers where some correct work is shown. (3X9=27 points) A. Which of the following atom/ion is described by the electronic configuration 1s 2s 2p? a) Na b) c) Mg d) O B. Which type of bonding is present in the compound CH,COONa? a) lonic bonding b) Covalent bonding c) Hydrogen bonding d) lonic and covalent bonding...
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length l, radius 2r wire 2: length 2l, radius wire 3: length 31/2, radius r/2 (b) A potential difference Vis applied across the length of the wires. Rank them according to the current that flows through them, greatest first. Select one: O a. 1>2>3 b. 3 > 2>1 c. 2>3 > 1 O d. 3>2>1 e. 1=2>3 CY
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length 24, radius r/2 wire 2: length 34, radius 3r wire 3: length , radius r/4 (b) Rank the wires according to the current density across their cross sections, greatest first Select one O a. 1>3>2 O b. 1 =2> 3 c.3>1 > 2 O d. 3 > 2>1 O e. 1>23
Three cylindrical wires are made of the same material. Their lengths and radii are wire 1: length 22, radius r/2 wire 2: length 38, radius 3r wire 3: length , radius r/4 (b) Rank the wires according to the current density across their cross sections, greatest first Select one O a. 3>21 b.1=23 O 01>3>2 O d. 1>2>3 O e. 3 >1>2 Activate Windows Co to Settings to activate Windows
5. (20 pts) Short Answer/Multiple Choice. Note: You are asked for iwo pieces of information in both part b and part c. a. P(-1.26 < Z < 1.74) is very nearly equal to (choose one): i. 0.8633 ii. 0.8588 i. 0.8553 iv. 0.8403 b. If Xi, ?,, ,X, are independent Normal random variables, then X, +X, + one) approximately/exactly + X is (circle (fill-in the blank) c. If X,x, X are independent Uniform[a,b] random variables with n not small, then...
31 Multiple Choice Problems: 16 questions, 4 pts each =64 total. 1. Circle optically active molecules from the list below: HO Br H Br H HC 2. What is the relationship of the following two molecules, one in bond-line structure and one in Fischer projection? Br Me Me Cl CA Br Same molecule with same rotational conformation a. b. Same molecule with different rotational conformation C. Constitutional isomers d. Enantiomers Diastereomers e. Identify the resonance pattern for the following curved...
2. The graphs of functions f and g are shown below. Circle your choice for each of the questions below. 1 3 2 g 0 2 a. Let u(x) = 160. Find the value of '(1) g(x) ii. 3 9 iv. / V. None of the above b. Let v(x) = x2. [f(x)]'. Find the value of v'(6). i. 1296 ii. -81 iii. 567 iv. 81 V. None of the above
answer these multiple choice questions plz
16. What is the product of the following reaction? 18. What is the product of the following reaction? KO 1. NaOCH, 2.H ? OCH он OCH Br OH BrЛон осна OH 19. Which of the following is a likely product of the reaction sequence shown? 17. Arrange the following alkyl halides in order of decreasing reactivity (most - least) in an Sw1 reaction: OH W 1. TsCl, pyridine 2. NaOH(aq) I 3-bromo-3-methylpentane II 1-chloropentane...
Question 10: Objective Question: Circle the letter corresponding to the BEST answer for each multiple choice question. Partial credit may be awarded for incorrect answers where some correct work is shown. (3X9=27 points) A. Which of the following atom/ion is described by the electronic configuration 1s 2s 2p? a) Na b) c) Mg d) O B. Which type of bonding is present in the compound CH,COONa? a) lonic bonding b) Covalent bonding c) Hydrogen bonding d) lonic and covalent bonding...
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 10 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 10 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 10 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 10 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 10 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 10 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 10 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 10 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 10 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 10 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 10 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 10 months ago