Principles of Electricity and Electromagnetism |
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Page 135
... wire to melt for a short - circuit current of 25 amp . and what will then be the temperature of the copper wire ? ( Neglect the loss of heat by conduction , etc. ) 6. Three resistances of 1 , 3 , and 5 ohms , respectively , are ...
... wire to melt for a short - circuit current of 25 amp . and what will then be the temperature of the copper wire ? ( Neglect the loss of heat by conduction , etc. ) 6. Three resistances of 1 , 3 , and 5 ohms , respectively , are ...
Page 555
... wire for values of y from 0 to 0.1 . The electromotive force induced in a passive wire by an incident electromagnetic wave can be readily calculated from the condition that the electric field is continuous across the boundary of the wire ...
... wire for values of y from 0 to 0.1 . The electromotive force induced in a passive wire by an incident electromagnetic wave can be readily calculated from the condition that the electric field is continuous across the boundary of the wire ...
Page 565
... wire at a point x is E , dx cos 4 , where E is the field strength at the point x . Since is not small in com ... wire given by e- ( 12 / ) . It is assumed that there is no reflection from the upper end of the wire ; hence the integral of ...
... wire at a point x is E , dx cos 4 , where E is the field strength at the point x . Since is not small in com ... wire given by e- ( 12 / ) . It is assumed that there is no reflection from the upper end of the wire ; hence the integral of ...
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angle antenna applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero