## Principles of Electricity and Electromagnetism |

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Page 16

products of the three unit vectors i, j, and k in the directions of the three axes

vanish and ii = jj = kk = 1, hence dV = grad V. d1 (1.12) On comparing this with Eq

. (1.6) it is seen that E = —grad V (1.13) Or in terms of the

electric ...

products of the three unit vectors i, j, and k in the directions of the three axes

vanish and ii = jj = kk = 1, hence dV = grad V. d1 (1.12) On comparing this with Eq

. (1.6) it is seen that E = —grad V (1.13) Or in terms of the

**components**of theelectric ...

Page 503

... scale the magnitude of the sinusoidal grid potential is the applied excitation, E,

plus the fluctuating

approximate ial = z dynamic characteristic potential= Eb Wup z to: eg=Sp (eg" ep/

up) ...

... scale the magnitude of the sinusoidal grid potential is the applied excitation, E,

plus the fluctuating

**component**of the plate potenEo-dc.cutoff grid Simplifiedapproximate ial = z dynamic characteristic potential= Eb Wup z to: eg=Sp (eg" ep/

up) ...

Page 540

The electric and magnetic conditions at the boundary are that the tangential

+ E. = E.' H, + H. = H' E, + E = E. H., + H = H' (16.11) In order to apply these, n, n',

and ...

The electric and magnetic conditions at the boundary are that the tangential

**components**of E and H shall be continuous. These conditions may be written E,+ E. = E.' H, + H. = H' E, + E = E. H., + H = H' (16.11) In order to apply these, n, n',

and ...

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alternating current alternating-current amplitude angle angular velocity anode antenna applied approximately armature assumed atom axis calculated capacity cathode centimeter characteristic circuit coefficient coil component condenser conducting conductor considered curl current flowing curve deflection density determined dielectric constant direct-current direction discharge displacement distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic flux force frequency function galvanometer given grad grid hence hysteresis impedance induction integral ions known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured meter motor negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potentiometer produced proportional quantity radiation radius ratio reactance region represents resistance resonant rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque transformer tube unit vector voltage volts wave wire written zero