raytaygirl raytaygirl

28-04-2020
Physics

contestada

How are electromagnets made and how do they work?

Respuesta :

Mia1629 Mia1629

28-04-2020

Electromagnets

When an electric current flows in a wire, it creates a magnetic field around the wire. This effect can be used to make an electromagnet. A simple electromagnet comprises a length of wire turned into a coil and connected to a battery or power supply.

Answer Link

Otras preguntas

If a stock is purchased for $25 per share and held one year, during which time a $1.75 dividend is paid and the price climbs to $29.5, the nominal rate of retur

According to the opponent-process theory, if you stare at a red star for awhile (e.g., 60 seconds) and then look at a plain sheet of white paper you will see an

An accounts receivable aging report is useful for doing everything except a. projecting the timing of future cash flows. b. estimating future sales. c. estim

Suppose DynaScan, makers of LED-based digital signage, found that the two women on the night shift consistently assembled more signage parts than the two men on

Economic, political, and/or social causes of the Civil War Radical Republicans and their impact on Reconstruction the 13th, 14th, and 15th Amendments to the Con

T is the midpoint of RS .The coordinate of T is 4 3/7 .The coordinate of S is 5 2/3 . Find the coordinate of R. Please show your work. answer

if the study in the same room in which you take an exam, you will probably do better on the exam than if you had a student elsewhere. the outcome occurs because

According to the activity-based costing system, the product margin for product Athena is: A. $19,418.40 B. $6,224.60 C. $5,975.60 D. $5,515.40 E. None of the ab

What is the philosophy that biology is not destiny, especially with regard to justifying gender stratification? a. symbolic interactionism b. exchange theory c.

Limx→+∞ (x-(lnx)^2) =?

ACCESS MORE EDU ACCESS Universidad de Mexico