Principles of Electricity and Electromagnetism |
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Page 123
... condition of the bridge and as it is determined by a null deflection of the galvanometer , it does not involve a knowledge of either emfs . or cur- rents . Thus if the balance condition is established and , say , R1 and the ratio R / R ...
... condition of the bridge and as it is determined by a null deflection of the galvanometer , it does not involve a knowledge of either emfs . or cur- rents . Thus if the balance condition is established and , say , R1 and the ratio R / R ...
Page 217
... condition there is no potential drop across the meter and hence no current through it . If the grid potential is altered the balance condition is disturbed and the meter deflects . From Sec . 4.3 it is evident that R , and the meter ...
... condition there is no potential drop across the meter and hence no current through it . If the grid potential is altered the balance condition is disturbed and the meter deflects . From Sec . 4.3 it is evident that R , and the meter ...
Page 452
... condition for a maximum current as a function of the reactance is that X1 -X2 , i.e. , the resonant condition . The power absorbed by the load impedance z2 is R2i , or P2 = = V2R2 2 ( R1 + R2 ) 2 + ( X1 + X2 ) 2 = This is a maximum as a ...
... condition for a maximum current as a function of the reactance is that X1 -X2 , i.e. , the resonant condition . The power absorbed by the load impedance z2 is R2i , or P2 = = V2R2 2 ( R1 + R2 ) 2 + ( X1 + X2 ) 2 = This is a maximum as a ...
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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