Elementary Lessons in Electricity & MagnetismMacmillan and Company, 1886 - 456 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 75.
Σελίδα 127
... circuit back to the zinc strip . The copper strip , whence the current starts on its journey through the external circuit , is called the positive pole , and the zinc strip is called the negative pole . If two copper wires are united to ...
... circuit back to the zinc strip . The copper strip , whence the current starts on its journey through the external circuit , is called the positive pole , and the zinc strip is called the negative pole . If two copper wires are united to ...
Σελίδα 128
... circuit . - 153. Effects produced by Current . The cur- rent itself cannot be seen to flow through the wire circuit ; hence to prove that any particular cell or combination produces a current requires a knowledge of some of the effects ...
... circuit . - 153. Effects produced by Current . The cur- rent itself cannot be seen to flow through the wire circuit ; hence to prove that any particular cell or combination produces a current requires a knowledge of some of the effects ...
Σελίδα 129
... circuit is completed for the electricity to flow through . Electromotive - force , therefore , may often be conveniently expressed as a difference of potential , and vice versâ ; but the student must not forget the distinction . 156 ...
... circuit is completed for the electricity to flow through . Electromotive - force , therefore , may often be conveniently expressed as a difference of potential , and vice versâ ; but the student must not forget the distinction . 156 ...
Σελίδα 130
... circuit , but also on the resistance which it has to encounter and overcome in its flow . If the cells be partly choked with sand or sawdust ( as is sometimes done in so- called " Sawdust Batteries " to prevent spilling ) , or , if the ...
... circuit , but also on the resistance which it has to encounter and overcome in its flow . If the cells be partly choked with sand or sawdust ( as is sometimes done in so- called " Sawdust Batteries " to prevent spilling ) , or , if the ...
Σελίδα 132
... circuit is completed by joining the two plates with a wire , or by making them touch one another . Directly the circuit is completed a current flows and the chemical actions begin , the zinc dissolving in the acid , and the acid giving ...
... circuit is completed by joining the two plates with a wire , or by making them touch one another . Directly the circuit is completed a current flows and the chemical actions begin , the zinc dissolving in the acid , and the acid giving ...
Άλλες εκδόσεις - Προβολή όλων
ELEM LESSONS IN ELECTRICITY & Silvanus Phillips 1851-1916 Thompson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
ELEM LESSONS IN ELECTRICITY & Silvanus Phillips 1851-1916 Thompson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
ELEM LESSONS IN ELECTRICITY & Silvanus Phillips 1851-1916 Thompson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
action ampères angle armature attracted ball battery bismuth carbon centimetres charge of electricity chemical circuit coil condenser conductor copper current flows Daniell's cells deflection diamagnetic dielectric difference of potential direction disc discharge distance earth earth's magnetism electric force electrified electrified body electrolytic electromagnet electrometer electromotive-force electroscope electrostatic equal Faraday galvanometer gramme heat Hence hydrogen instrument insulated internal resistance inverse iron kathode length Lesson Leyden jar light lines of force liquid magnetic field magnetic force magnetic pole magnetic potential magnetic shell magnetised measured metal move negative number of lines-of-force observed Ohm's law ohms oxygen pass piece placed plate platinum polarisation positive produced proportional quantity of electricity repelled repulsion rotation round rubbed shown in Fig spark sphere steel strength substances sulphuric acid surface tangent tangent galvanometer temperature torsion balance tube turns unit of electricity vibrations voltaic volts zinc
Δημοφιλή αποσπάσματα
Σελίδα 52 - These are admirable books, because they are constructed on a principle, and that the simplest principle on which it is possible to learn to read English.
Σελίδα 50 - VI. Crown 8vo. {430 pp.) 2s. Book VI. is fitted for higher Classes, and as an Introduction to English Literature. " They are far above any others that have appeared both in form and substance. . . . The editor of the present series has rightly seen that reading books must 'aim chiefly at giving to the pupils the power of accurate, and, if possible, apt and skilful expression; at cultivating in them a good literary tasie, and at arousing a desire of further reading.
Σελίδα 65 - Supernatural Religion." Crown 8vo. los. 6d. INTRODUCTION TO THE STUDY OF THE FOUR GOSPELS. Fifth Edition. Crown 8vo. ios. 6d. THE BIBLE IN THE CHURCH. A Popular Account of the Collection and Reception of the Holy Scriptures in the Christian Churches. New Edition.
Σελίδα 33 - AN ELEMENTARY TREATISE ON THE LUNAR THEORY, with a Brief Sketch of the Problem up to the time of Newton. Second Edition, revised. Crown 8vo. $s. 6d. HEMMING— AN ELEMENTARY TREATISE ON THE DIFFERENTIAL AND INTEGRAL CALCULUS, for the Use of Colleges and Schools.
Σελίδα 51 - HISTORICAL OUTLINES OF ENGLISH ACCIDENCE, comprising Chapters on the History and Development of the Language, and on Word-formation.
Σελίδα 52 - SONNENSCHEIN and MEIKLEJOHN — THE ENGLISH METHOD OF TEACHING TO READ. By A. SONNENSCHEIN and JMD MEIKLEJOHN, MA Fcap. 8vo. COMPRISING : THE NURSERY BOOK, containing all the Two-Letter Words in the Language. Id. (Also in Large Type on Sheets for School Walls. 5^.) THE FIRST COURSE, consisting "of Short Vowels with Single Consonants.
Σελίδα 44 - Stands alone as the one general history of the country, for the sake of which all others, if young and old are wise, will be speedily and surely set aside.
Σελίδα 48 - A BOOK OF GOLDEN DEEDS of All Times and All Countries. Gathered and Narrated Anew. By the Author of
Σελίδα 6 - ARISTOPHANES— THE BIRDS. Translated into English Verse, with Introduction, Notes, and Appendices, by BH KENNEDY, DD, Regius Professor of Greek in the University of Cambridge. Crown 8vo. 6s. Help-Notes to the same, for the use of Students. is. 6d. BELCHER SHORT EXERCISES IN LATIN PROSE COMPOSITION AND EXAMINATION PAPERS IN LATIN GRAMMAR, to which is prefixed a Chapter on Analysis of Sentences.
Σελίδα 17 - Prize Essay for 1877. 8vo. &r. 6d. SMITH— Works by the Rev. BARNARD SMITH, MA, Rector of Glaston, Rutland, late Fellow and Senior Bursar of St. Peter's College, Cambridge. ARITHMETIC AND ALGEBRA, in their Principles and Application ; with numerous systematically arranged Examples taken from the Cambridge Examination Papers, with especial reference to the Ordinary Examination for the BA Degree.