Principles of Electricity and Electromagnetism |
From inside the book
Results 1-3 of 80
Page 16
... element composing the surface times the normal component of the electric field at the element . The outward normal component is reckoned as positive . If ds represents an element of the surface , the contribution to the sum made by this ...
... element composing the surface times the normal component of the electric field at the element . The outward normal component is reckoned as positive . If ds represents an element of the surface , the contribution to the sum made by this ...
Page 150
... element contains a power source and has a negative dynamic resistance , it may generate such oscillations . An element of this type is sometimes said to be " unstable . " Individual elements with negative slopes or falling ...
... element contains a power source and has a negative dynamic resistance , it may generate such oscillations . An element of this type is sometimes said to be " unstable . " Individual elements with negative slopes or falling ...
Page 156
... element in an alternating - current circuit is some- what simpler for heating may be Current neglected and the static characteristic is followed for all frequencies for which the element is a pure resistance . A single thyrite element ...
... element in an alternating - current circuit is some- what simpler for heating may be Current neglected and the static characteristic is followed for all frequencies for which the element is a pure resistance . A single thyrite element ...
Other editions - View all
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