## Principles of Electricity and Electromagnetism |

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Page 170

ment, it has been used to provide the legal or international definition of the

flowing through a a properly designed silver voltameter deposits silver upon the

cathode at ...

ment, it has been used to provide the legal or international definition of the

**ampere**. An**ampere**is denned in this system to be that current which whenflowing through a a properly designed silver voltameter deposits silver upon the

cathode at ...

Page 276

equal currents but in opposite directions exert an inappreciable force on a distant

current or current element. Thus the effects of oppositely directed currents at ...

**Ampere's**first experiment showed that two wires very close together traversed byequal currents but in opposite directions exert an inappreciable force on a distant

current or current element. Thus the effects of oppositely directed currents at ...

Page 278

A X B would rotate the vector A through the smaller angle into the position

occupied by B. In terms of this concept

= WAdh x «u> x «o r C is an arbitrary constant which depends upon the units

chosen, ...

A X B would rotate the vector A through the smaller angle into the position

occupied by B. In terms of this concept

**Ampere's**law of force would be written dFi= WAdh x «u> x «o r C is an arbitrary constant which depends upon the units

chosen, ...

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### 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