## Principles of Electricity and Electromagnetism |

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Page 119

Though currents and potential differences and their product , which is the power ,

are the

law makes resistance of great importance also . If R is known , the equations V ...

Though currents and potential differences and their product , which is the power ,

are the

**quantities**which are of primary interest , the wide applicability of Ohm ' slaw makes resistance of great importance also . If R is known , the equations V ...

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 ...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...

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### Common terms and phrases

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