## Principles of Electricity and Electromagnetism |

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Page 475

The design of filters is greatly facilitated if they can be

their image impedances. Any number of sections may be placed in cascade, and

provided the impedances are matched at intermediate junctions the over-all ...

The design of filters is greatly facilitated if they can be

**assumed**to work betweentheir image impedances. Any number of sections may be placed in cascade, and

provided the impedances are matched at intermediate junctions the over-all ...

Page 525

negative, there is an oscillatory solution with positive damping. The coefficient of

e in the substitution equation, 5 = V/33-y/(y – G), is a measure of the departure

from the ...

**assumed**for oscillator analysis. depends primarily on the sign of e. If e isnegative, there is an oscillatory solution with positive damping. The coefficient of

e in the substitution equation, 5 = V/33-y/(y – G), is a measure of the departure

from the ...

Page 529

H- A oft); Taking 5A, due to a small change 5A as a measure of the stability of the

amplifier, show that optimum stability is achieved if Afcos q = 1, in which case A ...

**Assuming**infinite input impedance and that Af = Af ei", show that A. T (T-2As cosoH- A oft); Taking 5A, due to a small change 5A as a measure of the stability of the

amplifier, show that optimum stability is achieved if Afcos q = 1, in which case A ...

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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