Question: A 1/4-hp electric motor (see Problem 69) is listed with specifications that it requires a current of 3.2 A at 120 V (the rms AC

A 1/4-hp electric motor (see Problem 69) is listed with specifications that it requires a current of 3.2 A at 120 V (the rms AC current and voltage, respectively). What fraction of the electrical energy that is delivered to the motor is available as mechanical energy?

Step by Step Solution

★★★★★

3.38 Rating (164 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

Electrical power is the product of the rms voltage and cur... 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

Students Have Also Explored These Related College Physics Reasoning Questions!

A 2-hp electric motor running at 1720 rev/min is to drive a blower at a speed of 240 rev/min. Select a V-belt drive for this application and specify standard V belts, sheave sizes, and the resulting...

A 90-hp (shaft output) electric car is powered by an electric motor mounted in the engine compartment. If the motor has an average efficiency of 91 percent, determine the rate of heat supply by the...

An electric motor connected to a 120 V 60.0 Hz ac outlet does mechanical work at the rate of 0.100 hp (1 hp = 746 W). (a) If the motor draws an rms current of 0.650A, what is its effective...

Hello, you already did chapter 1 and 2 of my MASTERS Thesis already for me. (See attached) So normally you know masters thesis consist of 5 chapters right ??..... But in this case my thesis will be 4...

MUST BE IN OWN WORDS FOR POINTS Analyze the Current Situation Identify the Strategic Managers "Case 30 Tesla Motors, as the first U.S. Car Company IPO Since 1956 Alan N. Hoffman Bentley University...

Read theSEC 10-K for Ford Motor, Company. (Attached below) Write a 350- to 700-word paper describing the amounts of current and deferred income taxes. Explain the items that affect both these...

Be sure to follow the seven step paradigm when submitting this as a collected homework problem: 1. I want to and I can 2. Draw a diagram (if you can't visualize this in a diagram. see the next page)...

Summary of an Article 1 Each student is assigned a specified article and pages. Each student submits a typed written summary and analysis of the assigned article and pages by Nov. 5, 2013, at the...

1: A defibrillator sends a 7.5 A current through the chest of a patient by applying a 12000 V voltage as in the figure. What is the resistance of the path in k? 2: During open-heart surgery, a...

A circular curve of radius R in a new highway is designed so that a car traveling at speed vo can negotiate the turn safely on glare ice (zero friction). If a car travels too slowly, then it will...

Explain materiality and give an example of both a material and an immaterial item.

By ignoring cash flows beyond the cutoff, the payback period rule may profitable long - term investments. overestimate accept reject

Dual Simplex with Artificial Constraints. Consider the following problem: Maximize z = 2x1 - x2 + x3 subject to 2x1 + 3x2 - 5x3 4 -x1 + 9x2 - x3 3 4x1 + 6x2 + 3x3 8 x1, x2, x3 0 The starting...

Distinguish between the following concepts used to describe chemical bond formation: basis set, minimal basis set, atomic orbital, molecular orbital, and molecular wave function.

Consider the molecular electrostatic potential map for the BH 3 molecule shown here. Is the hydrogen atom (shown as a white sphere) an electron acceptor or an electron donor in this molecule?

Using Figures 23.9 and 23.10, explain why Î Ï 2 g 0 outside of the bonding region of H + 2 . Figure 23.9 Figure 23.10 Bonding - Antibonding . , Bonding...

Problem 21-12 (Working Capital Cash Flow Cycle) 1 Question 8 of 12 ) Check My Work eBook Video Working Capital Cash Flow Cycle Strickler Technology is considering changes in its working capital...

Suppose Bank of America would like to investigate if the credit score and income level of an individual are independent of one another. Bank of America selected a random sample of 400 adults and...

The Alfredo Brothers paid $123,600 in interest over the year, along with $88,000 in dividends. The company issued $130,000 of stock and $50,000 of new debt. During the year, the company reduced the...