Question: The field coils used in an ac motor are designed to have a resistance of 0.45 and an impedance of 35.0 . What inductance

The field coils used in an ac motor are designed to have a resistance of 0.45 Ω and an impedance of 35.0 Ω. What inductance is required if the frequency of the ac source is?
(a) 60.0 Hz.
(b) 0.20 kHz.

Step by Step Solution

★★★★★

3.45 Rating (158 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Model the coil as in RL seri... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

956-P-M-L-M (2709).docx

120 KBs Word File

Students Have Also Explored These Related Mechanics Questions!

The Production manager of the Good Time Wine Rack Company is retiring and the Managing Director is looking to replace her. You are preparing a work schedule as youare hoping to be offeredthe position...

(a) What is the current in the field coils? (b) What is the current in the rotor? (c) What is the induced emf developed by the motor? (d) How much mechanical power is developed by this motor? E,R, Re...

Cars used to be building as rigid as possible to withstand collisions. Today, though, cars are designed to have crumple zones that collapse upon impact. What is the advantage of this new design?

(a) A BPSK system and a QPSK system are designed to transmit at equal rates; that is, two bits are transmitted with the BPSK system for each symbol (phase) in the QPSK system. Compare their symbol...

The field coils used in an ac motor are designed to have a resistance of 0.45 and an impedance of 35.0 . What inductance is required if the frequency of the ac source is (a) 60.0 Hz? (b) 0.20 kHz?

What happens if you cut a magnet in half? Answers A. it becomes demagnetized B. you get a separate south pole and a separate north pole C. you get monopoles D. you get two magnets Question2. Magnetic...

Brushless DC Motor Control, Simulator Use 2.1 Overview This laboratory introduces the use of the debugger/simulator within Microchip Studio and covers certain aspects of driving brushless dc motors...

4. Suppose a 48-turn coil lies in the plane of the page in a uniform magnetic field that is directed out of the page. The coil originally has an area of 0.175 m 2 . It is stretched to have no area in...

Experiment 7 Lab Manual American International University- Bangladesh Department of Electrical and Electronic Engineering EEE2208: Electrical Machines 1 Laboratory Title: Study of a Single-Phase...

Coding Language c++ Huffman Encoding Using the Huffman encoding algorithm as explained in class, encode and decode the Speech.txt file using frequency tree and priority queue. Implement Huffman style...

Question 2 (Mandatory) (1 point) Which of the following best describes how current will flow through the solenoid? O a) Current will flow in the direction of the curl of your fingers on your right...

Pablo S.A is a manufacturer of children's shoes, located in Spain. It owns 51% of the voting stock of Stabfoot. A specialty shoe manufacturer located in Belgium Pablo acquired its interest in...

1. Read the opinion piece where the author indicates that "government failure caused the Great Recession of 2009". 2. Read the short explanation of the "4 basic types of economies". Research two of...

Write the equation in a standard form. Name which conic section ( curves ) the equation describes, if it is a circle give the center and radius: ( a ) 1 2 x + y 2 = 0 ( b ) 4 x 2 + 9 y 2 = 3 6 ( c )...

You are presented with the following data: Calculate the MFCR for each week. Based on the result, are you bullish or bearish? Week Mutual Fund Cash Position ($) 281,478,000.00 258,500,000.00...

Find the solutions that satisfy the following constraints: a. 4A + 2B 16 b. 4A + 2B 16 c. 4A + 2B = 16

Listed below are data that pertain to the corporate bond market. a. Compute the confidence index for each of the 4 periods listed above. b. Assume that the latest confidence index (for period 0, in...

Listed below are data that pertain to the corporate bond market. (Each "period" below covers a span of six months.) a. Compute the confidence index for each of the four periods listed above. b....

Compute the level of on-balance volume (OBV) for the following 3-day period for a stock, if the beginning level of OBV is 50,000 and the stock closed yesterday at $25. Does the movement in OBV appear...

Which of the following is not a valid risk response? A. Risk acceptance B. Risk sharing C. Risk mitigation D. Risk rejection

Determine the original temperature of a 560-g piece of lead placed in a 165-g brass calorimeter that contains 325 g of water. The initial temperature of the water and calorimeter was 18.0C. The final...

1. How much heat must be absorbed by its surroundings to cool a 565-g cube of iron from 100.0C to 20.0C? 2. How much water at 0C would be needed to cool the iron in Problem 12 to 20.0C?

The specific heat of water is 4190 J/kg C. The specific heat of steel is 481 J/kg C. Why may you burn your tongue on hot coffee but not on the spoon when both are at the same temperature?

Write a program in java or python that decrypts an message using cesar cipher without keys, only using dictionary read from a file containing large english words.

Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of 0.2 inches and a standard deviation of 0.05 inches. What proportion of woodlice have antenna lengths...

PK Software has 8.4 percent coupon bonds on the market with 23 years to maturity. The bonds make semiannual payments and currently sell for 110.25 percent of par. What is the current yield on PK's...