## Principles of Electricity and Electromagnetism |

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Page 279

If there are a number of current-carrying circuits, the total

forming the vector sum of the

total magnetic force on an element of a circuit or on a moving charge would be ...

If there are a number of current-carrying circuits, the total

**induction**is obtained byforming the vector sum of the

**induction**due to each circuit separately. Thus thetotal magnetic force on an element of a circuit or on a moving charge would be ...

Page 307

Show that the magnetic

square circuit of length I on a side carrying a current t is ^^^P ? where i is in

amperes and 2 is in meters. 13. A circuit is in the form of a regular polygon of n

sides ...

Show that the magnetic

**induction**in webers per square meter at the center of asquare circuit of length I on a side carrying a current t is ^^^P ? where i is in

amperes and 2 is in meters. 13. A circuit is in the form of a regular polygon of n

sides ...

Page 316

9.6, this implies that the self-

slightly as the frequency increases. These results will be considered further in

connection with other high-frequency phenomena. For certain magnetic materials

...

9.6, this implies that the self-

**induction**of a circuit can be expected to decreaseslightly as the frequency increases. These results will be considered further in

connection with other high-frequency phenomena. For certain magnetic materials

...

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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