Principles of Electricity and Electromagnetism |
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Page 17
... angle da subtended by ds at q . The integral over the surface is then the total solid angle subtended by the surface at the point occupied by q . It can be seen from Fig . 1.11 that if q lies outside the surface , each infinitesimal ...
... angle da subtended by ds at q . The integral over the surface is then the total solid angle subtended by the surface at the point occupied by q . It can be seen from Fig . 1.11 that if q lies outside the surface , each infinitesimal ...
Page 292
... angle w subtended by the circuit is really not uniquely defined , for to it could be added any integral multiple of 4 and the same solid angle would be obtained in exact analogy to rotation about an axis . However , the gradient is ...
... angle w subtended by the circuit is really not uniquely defined , for to it could be added any integral multiple of 4 and the same solid angle would be obtained in exact analogy to rotation about an axis . However , the gradient is ...
Page 378
... angle between the horizontal component of the earth's field and the meridian . This angle is known as the declination . Mag- netic maps or tables that give the declination for points of the earth's surface are of great importance for ...
... angle between the horizontal component of the earth's field and the meridian . This angle is known as the declination . Mag- netic maps or tables that give the declination for points of the earth's surface are of great importance for ...
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Common terms and phrases
alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero