The University of Colorado Studies, Vol 1 Classic Reprint
Idioma: inglés
Editorial: Forgotten Books, 2018
- Tapa dura
- Nuevo
Librería: PBShop.store UK, Fairford, GLOS, Reino UnidoPBShop.store UK
Vendedor de AbeBooks desde el 11 de junio de 1999
Condición: Nuevo
EUR 38,25
Cantidad disponible: 15 disponibles
Añadir al carritoDescripción del artículo del vendedor
New Book. Shipped from UK. Established seller since 2000.
N° de ref. del artículo LX-9780332329796
- Título
- The University of Colorado Studies, Vol 1 Classic Reprint
- Autor
- Arthur Allin
- Editorial
- Forgotten Books
- Año de publicación
- 2018
- Estado
- New
- Encuadernación
- HRD
- Idioma
- inglés
- ISBN 10
- 0332329798
- ISBN 13
- 9780332329796
- Peso del artículo
- 747 gramos
Apply the above to a small closed surface fixed in space sur rounding one and only one of the elementary magnets. The number of lines of force outward through the surface cannot vary, even if the magnet should move completely out Of the enclosure. Hence there must be as many lines of force running toward the magnet as away from it.
The question now arises: If we adopt the electronic theory of the conduction of electricity, can we generalize the second law so as to hold for material bodies, even in case the change is due to motion of the electrons? It is immediately evident that we cannot do so without Special hypotheses, for if we surround an electron the charge of which is e, by a small closed surface, the number Of lines of electric force through the surface outward is 4 7r e, and if the electron moves out of the enclosure the number changes to zero.
We may, however, generalize the second law as follows: The magneto-motive force around any closed curve equals the rate Of in crease Of the number of lines of electric force running through any surface bounded by the curve, provided we take account of that in increase only which is due to the cutting of lines of force across the closed curve.
In the case Of a magneto-motive force produced by a conduction current of electricity, this cutting of lines of electric force across the closed curve is due primarily to the motion of the electrons (at least according to the modern views). Let us consider a constant current Of electrons flowing in the positive direction around a circuit through the line 1 in Fig. 1. AS each electron with its charge flows around the circuit Once, the entire number Of its lines of force 4 r e cut across the line 1. At some instant during its motion, the elec tron passes through the surface S, and, the number of its lines run ning through this surface in the positive direction, decreases by the amount 4 71 e. Hence, on the whole, the change in the number of lines Of force through this surface, due to the motion of this electron, is zero. The current has been assumed constant. Hence, as a whole, the number of lines passing through S, remains the same; which means that as a whole just as many lines Of force are withdrawn from the positive direction through the surface, owing to the passage Of electrons through S, as are thrust through by cutting the edge of the surface. But the magneto-motive force equals the number Of lines of force cutting through lper second, and therefore equals 4 7r times the sum of the electron charges passing through S, per second. This latter we consider to be the current through S,. The same is true of any other surface, S2 bounded by l, and hence the sum of the electrons passing through S, per second, is the same as through S2, or the total sum Of the charges passing outward through the closed surface S, 82 per second is zero. This means that the flow of electrons is similar to that of an incompressible fiuid.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
“Sinopsis” puede pertenecer a otra edición de este título.
PBShop.store UK
Fairford, GLOS, Reino Unido
Vendedor de AbeBooks desde el 11 de junio de 1999
Tarifas de envío de Reino Unido a Estados Unidos de America
| Artículo | De 10 a 20 días hábiles | De 10 a 20 días hábiles |
|---|---|---|
| Primer artículo | EUR 5,89 | EUR 5,89 |
Métodos de pago
Descripción de la tienda
**Please note our transit times are from the date of dispatch.** We first started out as “The Paperback Exchange,” a chain of physical bookstores where we would part exchange your beloved books for new stories to transport you to faraway places. However, as shopping started to evolve to online shops and marketplaces, we bid our stores goodbye to become “PBShop.” This transition has only allowed us to blossom as we now ship thousands of titles to book lovers across the globe. We pride ourselves in being a community of local book lovers which allows our passion and devotion to shine in everything we do. In 2020 we not only celebrated our 20th birthday but our 1st birthday as being completely employee owned after becoming an E.O.T in September 2019. We are proud to be different and embrace standing apart on a book mountain by working from a virtual inventory which allows us to provide thousands of books that may be difficult to get for your bookshelf or your studies. Working with a number of different suppliers allows us to explore other avenues such as puzzles, sheet music and even stationery so we really do have something for everyone. Life is about being versatile in all realms of existence. If this is your first purchase with us, or you are a returning customer, we would like to welcome you to the PBShop family, for there is no friend as loyal as a book. We are a company who put our customers at the centre of everything we do as we understand the importance of reading because once you learn to read, you will forever be free. There are a whole lot of things in this world of ours that we are yet to explore, which is why we will forever inspire curious minds.…
Especialidad
Hardbacks, PaperbacksInformación empresarial del vendedor
Pbshop.co.uk
Unit 22 Horcott Industrial Estate, Horcott Road
Fairford, Reino Unido GL7 4BX
Condiciones de venta
Returns Policy
We ask all customers to contact us for authorisation should they wish to return their order. Orders returned without authorisation may not be credited.
If you wish to return, please contact us within 14 days of receiving your order to obtain authorisation.
Returns requested beyond this time will not be authorised.
Our team will provide full instructions on how to return your order and once received our returns department will process your refund.
Please note the cost to return any unwanted order to us is borne by the buyer.
Should your order arrive damaged, not as advertised or faulty, we must be advised of this within 14 days of delivery. Please contact us so we can find the best solution for you.
Our Customer Care Team can be contacted by emailing alborders@paperbackshop.co.uk, or by calling our UK Office on +441285 712 917. We are available 9:00am till 5:30pm GMT Monday to Friday.
Derecho al desistimiento
Si es un consumidor, puede rescindir el contrato de acuerdo con lo siguiente. Por consumidor se entiende cualquier persona física que actúe con fines ajenos a su actividad comercial, empresarial, oficio o profesión.
Información sobre el derecho de desistimiento
Derecho legal de desistimiento
Tiene derecho a rescindir este contrato en un plazo de 14 días sin dar ningún motivo.
El periodo de desistimiento vencerá a los 14 días desde que usted, o un tercero que no sea el transportista e indicado por usted, adquiera la posesión física del último bien o del último lote o pieza.
Para ejercer el derecho de desistimiento, complete de forma electrónica y envíe una declaración clara en nuestro sitio web, desde "Mis compras" en "Mi cuenta". Le enviaremos sin demora un acuse de recibo de dicho desistimiento a través de un soporte duradero (por ejemplo, por correo electrónico).
Para cumplir con el plazo de desistimiento, basta con que envíe su comunicación relativa al ejercicio del derecho de desistimiento antes de que venza el periodo de desistimiento.
Efectos del desistimiento
Si rescinde este contrato, le reembolsaremos todos los pagos que hayamos recibido de usted, incluidos los gastos de envío (excepto los gastos adicionales que surjan si elige un tipo de envío que no sea el tipo de envío estándar más económico que ofrecemos).
Podemos hacer una deducción del reembolso por la pérdida de valor de cualquier bien suministrado, si la pérdida es el resultado de una manipulación innecesaria por su parte.
Efectuaremos el reembolso sin demoras indebidas y, a más tardar, 14 días después de que se nos informe de su decisión de rescindir este contrato.
Efectuaremos el reembolso utilizando el mismo medio de pago que utilizó para la transacción inicial, a menos que haya acordado expresamente lo contrario; en cualquier caso, no incurrirá en ningún cargo como resultado de dicho reembolso.
Podremos retener el reembolso hasta que hayamos recibido los bienes o hasta que nos haya presentado una prueba de que los ha devuelto, lo que ocurra primero.
Deberá devolver los bienes o entregarlos a PBShop.store UK, Fairford, United Kingdom, +44 1285 712917, sin demoras indebidas y, en cualquier caso, en un plazo máximo de 14 días a partir del día en que nos comunique su desistimiento del presente contrato. El plazo se cumple si devuelve la mercancía antes de que venza el periodo de 14 días. Tendrá que asumir los gastos directos de devolución de los bienes. Usted solo es responsable de la disminución del valor de los bienes como resultado de una manipulación distinta a la necesaria para establecer la naturaleza, las características y el funcionamiento de los bienes.
Excepciones al derecho de desistimiento
El derecho de desistimiento no se aplica a lo siguiente:
- La entrega de periódicos, diarios o revistas, con la excepción de los contratos de suscripción; y
- El suministro de contenido digital que no se proporcione en un soporte tangible (por ejemplo, en un CD o DVD) si, al hacer el pedido, aceptó que podíamos empezar a entregarlo y que no podría desistir una vez iniciada la entrega.
Condiciones de envío
Orders are shipped from our UK warehouse. Delivery thereafter is between 4 and 14 business days. Please contact us if you have any queries about our services or products.