## Principles of Electricity and Electromagnetism |

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Page 586

Many familiar

are completely specified when a single number representing their magnitude is

given. These

...

Many familiar

**quantities**such as mass, temperature, charge, pole strength, etc.,are completely specified when a single number representing their magnitude is

given. These

**quantities**are known as scalars. In addition to these there are other...

Page 587

It should be mentioned that all

are not vectors in the sense in which the term is here used. All directed electric

and magnetic

...

It should be mentioned that all

**quantities**capable of representation by an arroware not vectors in the sense in which the term is here used. All directed electric

and magnetic

**quantities**are vectors and obey the laws of manipulation which are...

Page 601

The two actual units of mass and length (the kilogramme des Archives and the

international prototype meter) are chosen as the fundamental standard units of

these

The two actual units of mass and length (the kilogramme des Archives and the

international prototype meter) are chosen as the fundamental standard units of

these

**quantities**. The unit of time is the second (1/86,400 of a mean solar day).### What people are saying - Write a review

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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