Elementary Lessons in Electricity & MagnetismMacmillan and Company, 1886 - 456 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 60.
Σελίδα 13
... suppose we rubbed a piece of brown paper with a piece of indiarubber and desired to find out whether the electrification excited on the paper was + or – , we should proceed as follows : — First charge the gold leaves of the electroscope ...
... suppose we rubbed a piece of brown paper with a piece of indiarubber and desired to find out whether the electrification excited on the paper was + or – , we should proceed as follows : — First charge the gold leaves of the electroscope ...
Σελίδα 16
... is varied . Thus , suppose two electri- fied bodies one inch apart repel one another with a certain force , at a distance of two inches the force will 100 be found to be only one quarter as great 16 ELEMENTARY LESSONS ON [ CHAP . I.
... is varied . Thus , suppose two electri- fied bodies one inch apart repel one another with a certain force , at a distance of two inches the force will 100 be found to be only one quarter as great 16 ELEMENTARY LESSONS ON [ CHAP . I.
Σελίδα 18
... , one of these being the electric influ- ence exerted by an electrified body upon one not electrified . Suppose we rub a ball of glass with silk to electrify it , and hold it near to a body that has not 18 [ CHAP . 1 . ELEMENTARY LESSONS ...
... , one of these being the electric influ- ence exerted by an electrified body upon one not electrified . Suppose we rub a ball of glass with silk to electrify it , and hold it near to a body that has not 18 [ CHAP . 1 . ELEMENTARY LESSONS ...
Σελίδα 27
... Suppose , however , the rubbed glass rod to be held a few inches above the knob of the electroscope , as is indeed shown in Fig . 7. Even at this distance the gold leaves diverge , and the effect is due to induction . gold leaves , and ...
... Suppose , however , the rubbed glass rod to be held a few inches above the knob of the electroscope , as is indeed shown in Fig . 7. Even at this distance the gold leaves diverge , and the effect is due to induction . gold leaves , and ...
Σελίδα 35
... Suppose the ball to have a + charge : as it is lowered into the hollow conductor the gold leaves begin to diverge , for the presence of the charge acts inductively , and attracts a 1 charge into the interior and repels a + CHAP . I ...
... Suppose the ball to have a + charge : as it is lowered into the hollow conductor the gold leaves begin to diverge , for the presence of the charge acts inductively , and attracts a 1 charge into the interior and repels a + CHAP . I ...
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.