Define the principle of an electromagnet

Assignment Help Physics
Reference no: EM131238422

Lodestone (magnetite), an igneous rock formed from molten material, is a natural magnet. How could lodestones become magnetized? What is the principle of an electromagnet?

Reference no: EM131238422

Questions Cloud

Compounded monthly on loan : You owe $4510 in 7 months, $3780 in 13 months and $5125 in 21 months. You are paying 8.64% compounded monthly on your loan. What single amount 3 months from now will pay off the entire loan of the 3 future payments?
Identify the unknown voltage phasors : EEL 5250 Power Systems Analysis, Fall 2016 Assignment. A five-bus system is shown in Fig. 2. Its admittance matrix in per unit values Y is given. Please fill in the blanks in the following table. An example is shown for Bus 1. Identify the unknown ..
Describe the communications involved during the conflict : Determine strategies implemented to help facilitate a "win-win" resolution to the problem. Explain how the resolution strategies and processes that were used could also be used for future conflicts within the workplace or similar environment.
How environmental deprivation and deafness : An explanation of how environmental deprivation, deafness, and neurological disruption (e.g., stroke or brain injury) might influence language acquisition, production, or comprehension.
Define the principle of an electromagnet : Lodestone (magnetite), an igneous rock formed from molten material, is a natural magnet. How could lodestones become magnetized? What is the principle of an electromagnet?
Ethical issues evident in the topic chosen : Effects on one's personal and professional ethics. Evident resolution strategies that address the ethical dilemma(s). Recommendations on changes that you would propose in order to minimize the identified ethical dilemmas.
Compare the law of charges and the law of poles : Distinguish between alternating current and direct current. Why are home appliances connected in parallel rather than in series? Compare the law of charges and the law of poles
Coupon bonds making annual payments : Shinoda Corp. has 8 percent coupon bonds making annual payments with a YTM of 7.4 percent. The current yield on these bonds is 7.75 percent.
Write description of current or recent energy program : Write the given Assignment. - Write description of current or recent energy program, project or business in Indonesia.

Reviews

Write a Review

Physics Questions & Answers

  How far above the court is the tennis ball

A tennis ball is struck and departs from the racket horizontally with a speed of 28.2 m/s. How far above the court is the tennis ball when it leaves the racket

  Find the mach cone angle

A jet plane passes over you at a height of 4990 m and a speed of Mach 1.75. Find the Mach cone angle

  Find the weight of the person in newtons.

To determine the center of mass of her body, a student lies on aplank of mass m=10 kg. The plank is supported by two scales at itsends. The distance between the scales is 2.5 meters. The left scalereads 339 N and the right reads 171 N.

  What voltage will your voltmeter read across the capacitor

What voltage will your voltmeter read across the second capacitor after repeating the charge sharing process three times? Express the answer with one decimal place

  Find the final speed of each cart

The three air carts shown in figure 9-16 have masses,reading fromleft to right, of 4m,2m,and m,respectively.The most massive carthas an initial speed of V0 ; the other twocarts are at rest initially.

  What is the excelerating velocity of the plane

a plane whose airspeed is 200km/h heads north. But a 100km/h northeast wind suddenly begins to blow. what is the excelerating velocity of the plane

  Calculate the true mass of a piece of aluminum

Calculate the true mass (that it would have in the absence of air) of a piece of aluminum whose apparent mass is 2.0000 kg

  What is its wavelength

A diathermy machine, used in physiotherapy, generates electromagnetic radiation that gives the effect of "deep heat" when absorbed in tissue. what is its wavelength

  Determine what is the cost of its operation

a 300 watt toaster is plugged into a 120 volt house current.Electricity is sold at 15 cents per kilowatt hour. If the toasteroperates for 2.5 minutes what is the cost of its operation

  What will be the acceleration of both masses

What value should m have so the masses won't accelerate? Now take μk = 0.15 on all surfaces and m = 1.1 kg . What will be the acceleration of both masses? Show the force diagram for each.

  Compute the direction the loop will want to rotate

A circular loop of wire with a radius of 0.8 cm carries a current of 6 A. Determine the direction the loop will want to rotate.

  Determine what would its new rotation speed be

Suppose a star the size of our Sun (R0 = 695,500 km) rotates at a speed of 1.0 revolution every 12 days. what would its new rotation speed be

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd