1. Consider a permanent-magnet dc motor with the following parameters:
Rₐ = 0.35 Ohm, Lₐ = 1.5 mH, kₑ = 0.5 V/rad/s, kₜ = 0.5 Nm/A, and Jₘ = 0.02 kg m². The rated torque of this motor is 4 Nm.
Plot the steady-state torque-speed characteristics for V = 100 V, 60 V, and 30 V.

2. The motor above is driving a load whose torque requirement remains constant at 3 Nm, independent of speed. Calculate the armature voltage Vs to be applied in steady-state if this load is to be driven at 1,500 rpm.

answer:

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explanation:

answer:

the correct answer is d

answer:

// here is code in C++.

#include <bits/stdc++.h>

using namespace std;

//main function

int main()

{

  // variable

 int n;

 cout<<"enter a number:";

 // read the input

 cin>>n;

 // find the square root of the absolute value

 float square_root=sqrt(abs(n));

 // print the square_root

 cout<<"square root of "<<n<<" is: "<<square_root<<endl;

  return 0;

}

Explanation:

Read a number from user and assign it to "n".Then find its absolute value with abs() function.Then calculate the square root of the absolute value with sqrt() function.Print the square root of the number.

Output:

enter a number:-17

square root of -17 is: 4.12311

                                                         This is easy

                                                     sinserly Natalie 7 grader (this is not that hard)

answer:

D is the anseer

Explanation: