Chapter 5 through 7 of the national electrical code contain
A.general rule for conductor and equipment installation .
B.Rules related to special installations such as signs and emergency lighting.
C.rules related to all types of communications equipment
D.Tables that can be used to determine proper wire sizes for any installations.

Answers

Answer 1

Chapter 5 through 7 of the national electrical code contains "general rule for conductor and equipment installation" (Option A)

 What is the explanation for this ?

Chapter 5 through7 of the National Electrical Code  (NEC) contain general rules and guidelines for conductor and equipment installation.

These chapters cover various aspects of electrical installations, including wiring methods, grounding and bonding, overcurrent protection, and equipment requirements. They provide essential guidelines to ensure safe and code-compliant electrical installations in various settings.

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Related Questions

how to make (All capital) enhancement in Ms word
while creating a style

Answers

Answer:

keyword involved

Explanation:

simple select the desired text and click SHIFT + F3

Question 3 3.1 Describe the TWO main elements of a CPU 3.2 Describe the fetch/execute cycle 3.3 Convert the binary number 00000011 to a decimal ​

Answers

Answer:

Here are the answers to the questions:

3.1 The two main elements of a CPU are:

The Control Unit (CU): The CU controls and coordinates the operations of the CPU. It is responsible for interpreting instructions and sequencing them for execution.

The Arithmetic Logic Unit (ALU): The ALU executes arithmetic and logical operations like addition, subtraction, AND, OR, etc. It contains registers that hold operands and results.

3.2 The fetch/execute cycle refers to the cycle of events where the CPU fetches instructions from memory, decodes them, and then executes them. The steps in the cycle are:

Fetch: The next instruction is fetched from memory.

Decode: The instruction is decoded to determine what it is asking the CPU to do.

Execute: The CPU executes the instruction. This could involve accessing data, performing calculations, storing results, etc.

Go back to Fetch: The cycle continues as the next instruction is fetched.

3.3 The binary number 00000011 is equal to the decimal number 3.

Binary: 00000011

Decimal: 1 + 2 = 3

So the conversion of the binary number 00000011 to decimal is 3.

Explanation:

Perform an “average case” time complexity analysis for Insertion-Sort, using the given proposition
and definition. I have broken this task into parts, to make it easier.
Definition 1. Given an array A of length n, we define an inversion of A to be an ordered pair (i, j) such
that 1 ≤ i < j ≤ n but A[i] > A[j].
Example: The array [3, 1, 2, 5, 4] has three inversions, (1, 2), (1, 3), and (4, 5). Note that we refer to an
inversion by its indices, not by its values!
Proposition 2. Insertion-Sort runs in O(n + X) time, where X is the number of inversions.
(a) Explain why Proposition 2 is true by referring to the pseudocode given in the lecture/textbook.
(b) Show that E[X] = 1
4n(n − 1). Hint: for each pair (i, j) with 1 ≤ i < j ≤ n, define a random indicator
variable that is equal to 1 if (i, j) is an inversion, and 0 otherwise.
(c) Use Proposition 2 and (b) to determine how long Insertion-Sort takes in the average case.

Answers

a. Proposition 2 states that Insertion-Sort runs in O(n + X) time, where X is the number of inversions.

b. The expected number of inversions, E[X],  E[X] = 1/4n(n-1).

c. In the average case, Insertion-Sort has a time complexity of approximately O(1/4n²).

How to calculate the information

(a) Proposition 2 states that Insertion-Sort runs in O(n + X) time, where X is the number of inversions. To understand why this is true, let's refer to the pseudocode for Insertion-Sort:

InsertionSort(A):

  for i from 1 to length[A] do

     key = A[i]

     j = i - 1

     while j >= 0 and A[j] > key do

        A[j + 1] = A[j]

        j = j - 1

     A[j + 1] = key

b. The expected number of inversions, E[X], can be calculated as follows:

E[X] = Σ(i,j) E[I(i, j)]

= Σ(i,j) Pr((i, j) is an inversion)

= Σ(i,j) 1/2

= (n(n-1)/2) * 1/2

= n(n-1)/4

Hence, E[X] = 1/4n(n-1).

(c) Using Proposition 2 and the result from part (b), we can determine the average case time complexity of Insertion-Sort. The average case time complexity is given by O(n + E[X]).

Substituting the value of E[X] from part (b):

Average case time complexity = O(n + 1/4n(n-1))

Simplifying further:

Average case time complexity = O(n + 1/4n^2 - 1/4n)

Since 1/4n² dominates the other term, we can approximate the average case time complexity as:

Average case time complexity ≈ O(1/4n²)

Therefore, in the average case, Insertion-Sort has a time complexity of approximately O(1/4n²).

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Question 3 Declare a large array of doubles. The first five elements of the array are to be read from the keyboard, and the rest of the array elements are to be read from a file containing an unknown number of doubles. Then the program should print the average of all the array elements. (It is easy to go wrong here. You should check your final average with a calculator to be sure that it is correct. There are traps, and you may get a wrong answer without realizing it - so check.)​

Answers

Here's an example program in C++ that fulfills the requirements:

_______________________________________________________

#include <iostream>

#include <fstream>

#include <vector>

using namespace std;

int main() {

   const int ARRAY_SIZE = 1000; // Set a large size for the array

   double array[ARRAY_SIZE];

   double sum = 0.0;

   int count = 0;

   // Read the first five elements from the keyboard

   cout << "Enter the first five elements of the array:\n";

   for (int i = 0; i < 5; i++) {

       cout << "Element " << i + 1 << ": ";

       cin >> array[i];

       sum += array[i];

       count++;

   }

   // Read the remaining elements from a file

   ifstream inputFile("input.txt"); // Replace "input.txt" with your file name

   double num;

   while (inputFile >> num && count < ARRAY_SIZE) {

       array[count] = num;

       sum += array[count];

       count++;

   }

   inputFile.close();

   // Calculate and print the average

   double average = sum / count;

   cout << "Average of array elements: " << average << endl;

   return 0;

}

________________________________________________________

In this C++ program, a large array of doubles is declared with a size of 1000. The first five elements are read from the keyboard using a for loop, and the sum and count variables keep track of the cumulative sum and the number of elements entered.

The remaining elements are read from a file named "input.txt" (you should replace it with the actual file name) using an ifstream object. The program continues reading elements from the file as long as there are more numbers and the count is less than the array size.

Finally, the average is calculated by dividing the sum by the count, and it is printed to the console. Remember to replace "input.txt" with the correct file name and double-check the average with a calculator to ensure accuracy.

~~~Harsha~~~

What are the two instructions needed in the basic computer in order to set the E flip-flop to 1?

Answers

Answer:

Load and save instructions. The specific instructions may vary depending on the computer`s architecture, but the general process is to load the desired value into a register and store it in a flip-flop. Below is an example of a hypothetical assembly procedure.  

Load Instruction: Load the value 1 into a register.

"""

LOAD R1, 1

"""

Store Instruction: Store the value from the register into the flip-flop.

"""

STORE R1, FlipFlop

"""
weird question but this might help

Dr. Jobst is gathering information by asking clarifying questions. Select the example of a leading question.


"How often do you talk to Dorian about his behavior?"

"Has Dorian always seemed lonely?"

"Did Dorian ever get into fights in second grade?"

"What are some reasons that you can think of that would explain Dorian's behavior?"

Answers

The following is an example of a leading question:
"Did Dorian ever get into fights in second grade?"

An example of a leading question is: "Did Dorian ever get into fights in second grade?" Therefore, option C is correct.

Leading questions are questions that are framed in a way that suggests or encourages a particular answer or direction. They are designed to influence the respondent's perception or show their response toward a desired outcome. Leading questions can unintentionally or intentionally bias the answers given by the person being questioned.

Leading questions may include specific words or phrases that guide the respondent toward a particular answer.

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fine the average of 5,2,3​

Answers

Answer:

3 1/3

Explanation:

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