An electromagnet is made by winding wire around an iron core. The diagram shows an electromagnet connected
Question:
An electromagnet is made by winding wire around an iron core.
The diagram shows an electromagnet connected to a circuit.
a. State two ways of making the strength of the electromagnet weaker.
b. Explain why the core is made of iron instead of steel.
Transcribed Image Text:
iron core wire coil
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 63% (11 reviews)
An electrom ag net is a type of magnet that is formed when an electric current is passed through a w...View the full answer
Answered By
Hande Dereli
Enthusiastic tutor, skilled in ACT and SAT tutoring. Raised one student's score on the SATs from 1100 combined to 1400. Graduated with a 3.9 GPA from Davidson College and led a popular peer tutoring group for three years. Scored in the top 0.06% in the nation on the SATs. The real reason I'm the one to help you nail the test? Results. Clients invariably praise my ability to listen and communicate in a low-stress, fun way. I think it's that great interaction that lets me raise retest SAT scores an average of 300 points.
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Sciences questions
-
An electromagnet is made by inserting a soft iron core into a solenoid. The solenoid has 1800 turns, radius 2.0 cm, and length 15 cm. When 2.0 A of current flows through the solenoid, the magnetic...
-
The circuit shows a battery connected to a switch and three identical lamps, L 1 , L 2 and L 3 . a. Copy the diagram and add: i. An arrow to show the conventional current direction in the circuit...
-
State two ways of estimating the primary force Fc.
-
After pollen lands on a stigma, it is far away from the ovule with the megagametophyte, which holds the egg (the megagamete). How are the two sperm cells transported from the stigma to the egg?
-
Calculate the osmotic pressure at 20C of an aqueous solution containing 5.0 g of sucrose, C12H22O11, in 100.0 mL of solution.
-
What is the meaning of the terms present value and future value? How can you determine whether to calculate the present value or the future value of an amount?
-
The Parol Evidence Rule. Carlin Krieg owned a dairy farm in St. Joe, Indiana, that was appraised at $154,000 in December 1997. In August 1999, Krieg told Donald Hieber that he intended to sell the...
-
Use Solver to create a Sensitivity Report for question 15 at the end of Chapter 3, and answer the following questions: a. Is the solution degenerate? b. Is the solution unique? c. Explain the signs...
-
The cost of equipment might include all of the following except : Multiple Choice Assembling cost. Invoice cost. Testing cost. Unpacking damage repair cost. Installing cost.
-
The Heartland Distribution Company is a food warehouse and distributor that has a contract with a grocery store chain in several Midwest and Southeast cities. The company wants to construct new...
-
A, B, C and D are small blocks of different materials. The table below shows what happens when two of the blocks are placed near one another. Use one of the phrases in the above boxes to describe the...
-
A small electric heater takes a power of 60 W from a 12 V supply. a. What is the current in the heater? b. What is the resistance of the heater? c. How much charge (in C) passes through the heater in...
-
Montana Jeans Inc. manufactures blue jeans for distribution to several major retail chains. The following costs are incurred in the production and sale of blue jeans: a. Brass buttons b. Janitorial...
-
n1 = 15, n2 = 18, S = 280, H1: m1 > m2. Exercises 57 present sample sizes and the sum of ranks for the rank-sum test. Compute S, S, and the value of the test statistic z. Then find the P-value.
-
n1 = 25, n2 = 32, S = 850, H1: m1 m2. Exercises 57 present sample sizes and the sum of ranks for the rank-sum test. Compute S, S, and the value of the test statistic z. Then find the P-value.
-
Evaluate the matrix element $\left\langle j_{1} j_{2} J\left|T_{k q}(1) ight| j_{1}^{\prime} j_{2}^{\prime} J^{\prime} ightangle$, where the tensor operator $T_{k q}(1)$ operates only on the part of...
-
Mark Gold opened Gold Roofing Service on April 1. Transactions for April are as follows: 1 Gold contributed \(\$ 15,000\) of his personal funds in exchange for common stock to begin the business. 2...
-
n1 = 20, n2 = 30, S = 400, H1: m1 < m2. Exercises 57 present sample sizes and the sum of ranks for the rank-sum test. Compute S, S, and the value of the test statistic z. Then find the P-value.
-
Pine Corporations adjusted trial balance contained the following asset accounts at December 31, 2020: Prepaid Rent $22,000; Goodwill $50,000; Franchise Fees Receivable $2,000; Intangible Assets...
-
What is EBIT/eps analysis? What information does it provide managers?
-
Each of the following reactions proceeds via an S N 1 mechanism and will have anywhere from two to five steps, as discussed in Section 7.6. Determine the number of steps for each reaction, and then...
-
Draw a relative energy diagram showing the conformational analysis of 1,2-dichloroethane. Clearly label all staggered conformations and all eclipsed conformations with the corresponding Newman...
-
Identify the product(s) in each of the following reactions: (a) (b) (c) (d) Br ETOH
-
When direct materials are issued from the storeroom, are any entries made in the subsidiary records? Question 2 options: Increase raw material item record Decrease raw material item record No entry...
-
Riverrun Co. provides medical care and insurance benefits to its retirees. In the current year, Riverrun agrees to pay $5,500 for medical insurance and contribute an additional $9,000 to a retirement...
-
DETAILS 1. [-/1 Points) SMITHNM13 11.2.025. MY NOTES Convert the credit card rate to the APR. Oregon, 2% per month % Need Help? ReadIt Watch
Study smarter with the SolutionInn App