## Principles of Electricity and Electromagnetism |

### From inside the book

Results 1-3 of 79

Page 42

charge of density qi is 8. A circular disk of radius R is charged to a uniform

surface density q,.

from ...

**Show**by direct integration that the electric field at a distance r from an infinite linecharge of density qi is 8. A circular disk of radius R is charged to a uniform

surface density q,.

**Show**that the electric field on the axis of the disk a distance xfrom ...

Page 101

0.736 mm. per second for a current density of 10 amp. per square millimeter if

one conduction electron is assumed per atom. (Number of copper atoms per

cubic ...

**Show**that the average velocity of drift of the conduction electrons in copper is0.736 mm. per second for a current density of 10 amp. per square millimeter if

one conduction electron is assumed per atom. (Number of copper atoms per

cubic ...

Page 307

that which would be produced by a current ni flowing along the axis of symmetry

of the toroid. 12.

...

**Show**that the field inside a toriod of n turns carrying a current t is the same asthat which would be produced by a current ni flowing along the axis of symmetry

of the toroid. 12.

**Show**that the magnetic induction in webers per square meter at...

### 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 grad grid hence hysteresis 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 Show shown in Fig solenoid solution surface temperature terminals theorem torque tube unit vector velocity voltage volts wire written zero