## Principles of Electricity and Electromagnetism |

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Page 124

This is a satisfactory approximation even when the bridge is slightly unbalanced

and hence the

& and G were reversed , the ( R2 + R4 ) ( R3 + R4 ) R

This is a satisfactory approximation even when the bridge is slightly unbalanced

and hence the

**output**resistance of the : ( R1 + R3 ) R4 bridge is If the positions of& and G were reversed , the ( R2 + R4 ) ( R3 + R4 ) R

**output**resistance would ...Page 419

Two six - pole alternators on the same shaft have their

series . If the rotating member of one is 20 mechanical degrees ahead of the

other , show that the total voltage developed is either the same or 3 times as

great ...

Two six - pole alternators on the same shaft have their

**outputs**connected inseries . If the rotating member of one is 20 mechanical degrees ahead of the

other , show that the total voltage developed is either the same or 3 times as

great ...

Page 448

Use of the balanced circuit to prevent interaction of

amplifiers . ( a ) Neutrodyne circuit ; ( b ) equivalent bridge circuit . ( c )

Capacitance neutralization ; ( d ) equivalent bridge circuit . of the monocyclic

square .

Use of the balanced circuit to prevent interaction of

**output**and input for triodeamplifiers . ( a ) Neutrodyne circuit ; ( b ) equivalent bridge circuit . ( c )

Capacitance neutralization ; ( d ) equivalent bridge circuit . of the monocyclic

square .

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angle 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 respect result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero