## Principles of Electricity and Electromagnetism |

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Page 10

The

knob K that supports the upper end of the fiber must be rotated in order to return

the arm to its equilibrium position in the absence of the charge q2. Thus the

torque ...

The

**magnitude**of this force may be measured by the angle through which theknob K that supports the upper end of the fiber must be rotated in order to return

the arm to its equilibrium position in the absence of the charge q2. Thus the

torque ...

Page 411

at any point is constant in direction and proportional in

producing it. If i is of the form in cos wi, B will be equal to Bo cos wit. The cosine

function may be written in terms of the exponential functions as (e.” + e-")/2, and ...

at any point is constant in direction and proportional in

**magnitude**to the currentproducing it. If i is of the form in cos wi, B will be equal to Bo cos wit. The cosine

function may be written in terms of the exponential functions as (e.” + e-")/2, and ...

Page 587

Two vectors are said to be equal if they are equal both in direction and

point of vector B is placed at the terminal point of vector A. C., which is the sum of

these two, ...

Two vectors are said to be equal if they are equal both in direction and

**magnitude**. The process of addition of vectors is defined as follows: The initialpoint of vector B is placed at the terminal point of vector A. C., which is the sum of

these two, ...

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alternating current alternating-current amplitude angle angular velocity anode antenna applied approximately armature assumed atom axis calculated capacity cathode centimeter characteristic circuit coefficient coil component condenser conducting conductor considered curl current flowing curve deflection density determined dielectric constant direct-current direction discharge displacement distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic flux force frequency function galvanometer given grad grid hence hysteresis impedance induction integral ions known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured meter motor negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potentiometer produced proportional quantity radiation radius ratio reactance region represents resistance resonant rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque transformer tube unit vector voltage volts wave wire written zero