Introductory Mathematics for Engineering Applications
Introductory Mathematics for Engineering Applications
1st Edition
ISBN: 9781118141809
Author: Nathan Klingbeil
Publisher: WILEY
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Textbook Question
Chapter 1, Problem 25P

A DC motor is driving an inertial load JL shown in Fig, P1.25. To maintain a constant speed, two different values of the voltage e σ are applied to the motor. The voltage e σ and the current i a flowing through the armature winding of the motor satisfy the relationship e a = i a R a + e b , where R a is the resistance of the armature winding in ohms and e b is the back-emf in volts. Figure P1.25 gives the values of the current for two different values of the input voltage applied to the armature of the DC motor.

  1. Find the equation of the line for e a
  2. as a function of i a and determine the values of R a
  3. nd e b .
  4. Plot the applied voltage e a
  5. as function of the current i a . Clearly indicate the value of the back-emf e b and the winding resistance R a .

Chapter 1, Problem 25P, A DC motor is driving an inertial load JL shown in Fig, P1.25. To maintain a constant speed, two

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Chapter 1 Solutions

Introductory Mathematics for Engineering Applications

Ch. 1 - The velocity of a vehicle is measured at two...Ch. 1 - The velocity v (t ) of a vehicle during braking is...Ch. 1 - A linear trajectory is planned for a robot to pick...Ch. 1 - The acceleration of the linear trajectory of...Ch. 1 - The temperature distribution in a well-insulated...Ch. 1 - The temperature distribution in a well-insulated...Ch. 1 - The voltage-current relatonship for the cicuit...Ch. 1 - A voltage source Vs is used to apply two different...Ch. 1 - Repeat problem P1-18 for the data shown in Fig,...Ch. 1 - Repeat problem P1-18 for the data shown in Fig...Ch. 1 - A linear model of a diode is shown in Fig. P1.21....Ch. 1 - Repeat Problem P1-21 for the data given in Fig....Ch. 1 - The output voltage, v0, of the Op-Amp circuit...Ch. 1 - The output voltage, v0, of the Op-Amp circuit...Ch. 1 - A DC motor is driving an inertial load JL shown in...Ch. 1 - Repeat problem P1-25 for the data shown in Fig....Ch. 1 - In the active region, the output voltage v0 of the...Ch. 1 - Repeat problem P1-27 for the data given in Fig,...Ch. 1 - An actuator used in a prosthetic arm can produce...Ch. 1 - The following two measurements of maximum heart...Ch. 1 - The electrical activity of muscles can he...Ch. 1 - A civil engineer needs to establish the elevation...Ch. 1 - A thermocouple is a temperature measurement...Ch. 1 - The voltage across a thermocouple is calibrated...Ch. 1 - An iron-constantan thermocouple is calibrated by...Ch. 1 - Prob. 36PCh. 1 - Repeat problem P1-36 for the data shown in Fig....Ch. 1 - To determine the concentration of a purified...Ch. 1 - Repeat problem P1-38 lithe absorption-...Ch. 1 - A chemistry student is performing in experiment to...Ch. 1 - To obtain the linear relationship between the...Ch. 1 - A thermostat control with dial marking from 0 to...Ch. 1 - In a pressure-fed journal bearing, forced cooling...
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