## Principles of Electricity and Electromagnetism |

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Page 124

Thus, writing d for the

constant for a given galvanometer design. From this it is evident that the square

of the

Thus, writing d for the

**deflection**, d — Cy/R~l i„ where C is approximately aconstant for a given galvanometer design. From this it is evident that the square

of the

**deflection**is proportional to the joule heating in the galvanometer. The**deflection**...Page 326

The

by the

torque of the fiber is small, the sensitivity of this type of instrument can be made

very ...

The

**deflection**is observed by viewing a scale in the mirror carried by the coil orby the

**deflection**of a beam of light incident on this mirror. Since the restoringtorque of the fiber is small, the sensitivity of this type of instrument can be made

very ...

Page 340

Show that if the coil of a tangent galvanometer is rotated about a vertical axis so

as to lie in the same plane as the needle when the

given by where b is the radius of the coil, n the number of turns it contains, H- the

...

Show that if the coil of a tangent galvanometer is rotated about a vertical axis so

as to lie in the same plane as the needle when the

**deflection**is read the curent isgiven by where b is the radius of the coil, n the number of turns it contains, H- the

...

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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 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