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Student Name: Student ID: ome Q.1 Draw the typical radiation pattern for the following antennas: a)...
Name: Problem 2. (Option # 1 ) Five half wavelength dipole antennas are used as sources to form a linear phased arr...
Name: Problem 2. (Option # 1 ) Five half wavelength dipole antennas are used as sources to form a linear phased array antenna, as shown below. These elements are all excited by sinusoidal current source of equal amplitude and phase followed by phase shifters. (9 pts.) a) If d 2, write the expression for array factor of the linear array. (9 pts.) b) Find total field at observation point P: (r, 0, 6) at far-field (i.e., kr>1). (8 pts.) c)...
What is the normalized form of the following relation? Student Enrollment Student ID Last Name First...
What is the normalized form of the following relation? Student Enrollment Student ID Last Name First Name Course 11111 Bond James Algebra, Calculus 22222 Aniston Jennifer English, History 33333 Eistein Albert Chemistry, Biology A. Student Enrollment Student ID Course 11111 Algebra 11111 Calculus 22222 English 22222 History 33333 Chemistry 33333 Biology Student Student ID Last Name First Name 11111 Bond James 22222 Aniston Jennifer 33333 Eistein Albert B. Student Enrollment Student ID Last Name First Name Course 1 Course 2...
Consider the following relations for course-enrollment database in a university: STUDENT(S-ID,S-Name, Department, Birth-date) COURSE(C-ID, C-Name, Department)...
Consider the following relations for course-enrollment database in a university: STUDENT(S-ID,S-Name, Department, Birth-date) COURSE(C-ID, C-Name, Department) ENROLL(S-ID, C-ID, Grade) TEXTBOOK(B-ISBN, B-Title, Publisher, Author) BOOK-ADOPTION(C-ID, B-ISBN) (a) Draw the database relational schema and show the primary keys and referential integrity constraints on the schema. (b) How many superkeys does the relation TEXTBOOK have? List ALL of them. (c) Now assume each COURSE has distinct C-Name. (i) If C-ID is a primary key, what are the candidate keys and the unique keys...
NAME 11. The radiation intensity of a certain antenna is given by U=1 W/steradian, for all...
NAME 11. The radiation intensity of a certain antenna is given by U=1 W/steradian, for all and Such an antenna is most precisely referred to as (a) omni-directional (b) isotropic (c) electrically large (d) lossless ANS: 12. If the matched gain of the above antenna were measured to be -3 dB, what would be its radiation efficiency in percent? (a) 100% (b) 75% (e) 50% (d) 25% ANS:
Student Name: ID#: Date: EXPERIMENT 3 - PREPARATION OF ASPIRIN PRE - LABORATORY ASSESSMENT 1. Could...
Student Name: ID#: Date: EXPERIMENT 3 - PREPARATION OF ASPIRIN PRE - LABORATORY ASSESSMENT 1. Could you have used acetyl bromide (CH3COOBr) instead of acetic anhydride in this reaction? Explain. Draw a diagram showing any intermolecular hydrogen bonds possible in the product molecule? ID: Date: Student Name EXPERIMENT 3 - PREPARATION OF ASPIRIN PRE - LABORATORY ASSESSMENT 1. Could you have used acetyl bromide (CH3COOB) instead of acetic anhydride in this reaction? Explain. 2. Draw a diagram showing any intermolecular...
1. (15 pt) Electric dipole field Oscillating charges produce electromagnetic radiation. The most common antenna is...
1. (15 pt) Electric dipole field Oscillating charges produce electromagnetic radiation. The most common antenna is the dipole antenna. Here you will derive the static dipole field at a particular point in space. (a) (8 pt) Find the electric field (magnitude,tq and direction) at point P due to the d2 charges in the figure. Assume free space. d/2 (b) (5 pt) Simplify the expression for the case of rd and write your expression d2 in terms of the magnitude of...
Given the following program: #include <stdio.h> struct student { int id; char name[20]; char grade; };...
Given the following program: #include <stdio.h> struct student { int id; char name[20]; char grade; }; void func(struct student stud); int main() { struct student astud; astud.id=9401; strcpy(astud.name, "Joe"); astud.grade = 'A'; func(astud); return 0; } Abdelghani Bellaachia, CSCI 1121 Page: 16 void func(struct student astud) { printf(" Id is: %d \n", astud.id); printf(" Name is: %s \n", astud.name); printf(" Grade is: %c \n", astud.grade); } Modify this program to include the address of a student as a separate structure....
please answer as soon as possible Student Name section # Student ID# Date 1. A student...
please answer as soon as possible
Student Name section # Student ID# Date 1. A student was asked to prepare three solutions and to calculate their pH: Solution A: 0.24 M of NH3 and 0.20 M of NHACI Solution B: adding 0.005 mol of NaOH to 0.50 L of solution A Solution C: adding 0.030 mol of HCl to 0.50 L of solution A a. Calculate the pH of these solutions. (NHA"; K, -5.6x101) b. What property for buffered solutions...
ELEN209 TEST 1 09/11/11 Name: Student ID 1. (100pts) Find the ift) for t >o with...
ELEN209 TEST 1 09/11/11 Name: Student ID 1. (100pts) Find the ift) for t >o with the circuit given below: t o 100 60 2 1 mF 30 V 40 Q 25H
Mech Su Date.. ID. Student Name.. Question 1: Calculate the shear force and bending moment for...
Mech Su Date.. ID. Student Name.. Question 1: Calculate the shear force and bending moment for the beam subjected to the loads shown in the figure, then draw the shear force diagram (SFD) and bending moment diagram (BMD) as 50 kN 50 kN 25 kN/m A 4m 5 m 5 m
Name: Problem 2. (Option # 1 ) Five half wavelength dipole antennas are used as sources to form a linear phased array antenna, as shown below. These elements are all excited by sinusoidal current source of equal amplitude and phase followed by phase shifters. (9 pts.) a) If d 2, write the expression for array factor of the linear array. (9 pts.) b) Find total field at observation point P: (r, 0, 6) at far-field (i.e., kr>1). (8 pts.) c)...
NAME 11. The radiation intensity of a certain antenna is given by U=1 W/steradian, for all and Such an antenna is most precisely referred to as (a) omni-directional (b) isotropic (c) electrically large (d) lossless ANS: 12. If the matched gain of the above antenna were measured to be -3 dB, what would be its radiation efficiency in percent? (a) 100% (b) 75% (e) 50% (d) 25% ANS:
Student Name: ID#: Date: EXPERIMENT 3 - PREPARATION OF ASPIRIN PRE - LABORATORY ASSESSMENT 1. Could you have used acetyl bromide (CH3COOBr) instead of acetic anhydride in this reaction? Explain. Draw a diagram showing any intermolecular hydrogen bonds possible in the product molecule? ID: Date: Student Name EXPERIMENT 3 - PREPARATION OF ASPIRIN PRE - LABORATORY ASSESSMENT 1. Could you have used acetyl bromide (CH3COOB) instead of acetic anhydride in this reaction? Explain. 2. Draw a diagram showing any intermolecular...
1. (15 pt) Electric dipole field Oscillating charges produce electromagnetic radiation. The most common antenna is the dipole antenna. Here you will derive the static dipole field at a particular point in space. (a) (8 pt) Find the electric field (magnitude,tq and direction) at point P due to the d2 charges in the figure. Assume free space. d/2 (b) (5 pt) Simplify the expression for the case of rd and write your expression d2 in terms of the magnitude of...
please answer as soon as possible
Student Name section # Student ID# Date 1. A student was asked to prepare three solutions and to calculate their pH: Solution A: 0.24 M of NH3 and 0.20 M of NHACI Solution B: adding 0.005 mol of NaOH to 0.50 L of solution A Solution C: adding 0.030 mol of HCl to 0.50 L of solution A a. Calculate the pH of these solutions. (NHA"; K, -5.6x101) b. What property for buffered solutions...
ELEN209 TEST 1 09/11/11 Name: Student ID 1. (100pts) Find the ift) for t >o with the circuit given below: t o 100 60 2 1 mF 30 V 40 Q 25H
Mech Su Date.. ID. Student Name.. Question 1: Calculate the shear force and bending moment for the beam subjected to the loads shown in the figure, then draw the shear force diagram (SFD) and bending moment diagram (BMD) as 50 kN 50 kN 25 kN/m A 4m 5 m 5 m
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