## Principles of Electricity and Electromagnetism |

### From inside the book

Results 1-3 of 78

Page 224

The complex impedance of this circuit is Rp/(1 + juCRP), and as RP must be very

large for any acceptable condenser, the power factor is

For a constant RP this evidently decreases with increasing frequency and the ...

The complex impedance of this circuit is Rp/(1 + juCRP), and as RP must be very

large for any acceptable condenser, the power factor is

**approximately**1/uCRP.For a constant RP this evidently decreases with increasing frequency and the ...

Page 371

Also their hysteresis losses are small. The addition of a few per cent of chromium

or molybdenum increases the initial permeability and the resistivity as well as

rendering the heat treatment less critical. Other alloys containing

50 ...

Also their hysteresis losses are small. The addition of a few per cent of chromium

or molybdenum increases the initial permeability and the resistivity as well as

rendering the heat treatment less critical. Other alloys containing

**approximately**50 ...

Page 495

The effective resistance presented to the tube is

general the n= n2/n! n2 |RL I tb 111 SIP - I — -i|i|Hi|i|i|i|ih J3lll 3K Fig. 16.1. —

Single-tube amplifier and output transformer. load is not a pure resistance and by

Eq.

The effective resistance presented to the tube is

**approximately**R\ = Rt/n2. Ingeneral the n= n2/n! n2 |RL I tb 111 SIP - I — -i|i|Hi|i|i|i|ih J3lll 3K Fig. 16.1. —

Single-tube amplifier and output transformer. load is not a pure resistance and by

Eq.

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Other editions - View all

### Common terms and phrases

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