## Principles of Electricity and Electromagnetism |

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Page 121

Gaylord Probasco Harnwell. Very high resistances in the range from 107 to 10"

these are generally unreliable even for short periods. More satisfactory

resistances ...

Gaylord Probasco Harnwell. Very high resistances in the range from 107 to 10"

**ohms**can be made by drawing an India-ink line on good-quality paper, thoughthese are generally unreliable even for short periods. More satisfactory

resistances ...

Page 136

How low must the junction resistances of a 0.1-

total resistance the shunt introduces shall be its nominal value to within 1 per

cent ? 17. A dry cell shows an emf. of 1.579 volts as measured by a potentiometer

.

How low must the junction resistances of a 0.1-

**ohm**shunt be in order that thetotal resistance the shunt introduces shall be its nominal value to within 1 per

cent ? 17. A dry cell shows an emf. of 1.579 volts as measured by a potentiometer

.

Page 137

Design an attenuator of the type of Fig. 4.9 to attenuate in steps of 2 db. from 0 to

50 db and work between resistances of 600

the load resistance and the value of g of a cable is greater than 1, the hyperbolic

...

Design an attenuator of the type of Fig. 4.9 to attenuate in steps of 2 db. from 0 to

50 db and work between resistances of 600

**ohms**. 28. Show that if the product ofthe load resistance and the value of g of a cable is greater than 1, the hyperbolic

...

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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