PhysicsAppleton, 1878 - 149 páginas |
Dentro del libro
Resultados 1-5 de 9
Página 109
... positive , and that which appears in a stick of sealing - wax , when it has been rubbed with flannel , is called negative . These are merely terms used in order to distinguish between the two kinds of electricity . 79. Action of excited ...
... positive , and that which appears in a stick of sealing - wax , when it has been rubbed with flannel , is called negative . These are merely terms used in order to distinguish between the two kinds of electricity . 79. Action of excited ...
Página 110
... positive electricity , and that in the mean- time B and C are unelectrified . Now push в and c up towards A. Since в and c are not electrified , their two B electricities are not separated from each other , but mixed. ' Fig . 40 . ΓΙΟ ...
... positive electricity , and that in the mean- time B and C are unelectrified . Now push в and c up towards A. Since в and c are not electrified , their two B electricities are not separated from each other , but mixed. ' Fig . 40 . ΓΙΟ ...
Página 112
... positive electricity , let us bring near its knob an excited glass rod , when the gold leaves will diverge still more . The reason of this is that the positive elec- tricity of the excited glass decomposes the neutral electricity of the ...
... positive electricity , let us bring near its knob an excited glass rod , when the gold leaves will diverge still more . The reason of this is that the positive elec- tricity of the excited glass decomposes the neutral electricity of the ...
Página 113
... positive to itself , and driving the negative to the gold leaves . But since the gold leaves were previously charged with positive electricity , part of this charge will be cancelled by the negative elec- tricity driven towards them ...
... positive to itself , and driving the negative to the gold leaves . But since the gold leaves were previously charged with positive electricity , part of this charge will be cancelled by the negative elec- tricity driven towards them ...
Página 116
... positive electricity is produced in the glass , while negative electricity is produced in the rubbers . The negative electricity of the rubbers then passes along the me- tallic chain which is connected with the rubbers , and is ...
... positive electricity is produced in the glass , while negative electricity is produced in the rubbers . The negative electricity of the rubbers then passes along the me- tallic chain which is connected with the rubbers , and is ...
Otras ediciones - Ver todas
Términos y frases comunes
acid air-pump attracted BALFOUR STEWART battery blow boiling-point bottom brass bright bulb bulk for bulk buoyancy burning-glass called cannon cold colours conductor convection copper cubic inches cylinder Describe an experiment E. A. FREEMAN earth elec electric machine electroscope excited glass excited sealing-wax expand experiment showing fact feet fill fire force gases Give an instance glass support grains gravity heated body hot body Illustrate your reply iron kinds of electricity knob latent heat lens Leyden jar liquid magnify means mercury metal mirror motion move needle nitric acid particles pass phosphorus piston pith ball plate platinum positive electricity pound weight pressure Price Primer prism ray of light rise rubbed scale-pan Sketch solid sound spark steam stoneware strikes substance sulphuric acid surface temperature thermometer thing told tricity tube valve vapour velocity vessel vibrating body weight wire zinc