Principles of Electricity and Electromagnetism |
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Page 121
... ohms . Other plug - box circuits can be designed in which one plug is sufficient for each decade variation . The ... ohms in 1 - ohm steps . If the resistance steps are as small as 0.1 ohm , the switches must be carefully made to insure ...
... ohms . Other plug - box circuits can be designed in which one plug is sufficient for each decade variation . The ... ohms in 1 - ohm steps . If the resistance steps are as small as 0.1 ohm , the switches must be carefully made to insure ...
Page 136
... ohms . Calculate and plot the power delivered to R as a function of its value from 1 to 10 ohms . Plot also the current , the potential difference across R , the total power , and the fraction dissipated in R. 20. A set of n cells ...
... ohms . Calculate and plot the power delivered to R as a function of its value from 1 to 10 ohms . Plot also the current , the potential difference across R , the total power , and the fraction dissipated in R. 20. A set of n cells ...
Page 137
... ohms per kilometer . If the insulation resistance is 1012 ohms per meter , show that when a potential difference of 100 volts is established across the terminals at one end , a current of 38.5 ma . will flow through a 1,000 - ohm ...
... ohms per kilometer . If the insulation resistance is 1012 ohms per meter , show that when a potential difference of 100 volts is established across the terminals at one end , a current of 38.5 ma . will flow through a 1,000 - ohm ...
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alternating current alternating-current amplitude angle angular velocity anode applied approximately armature assumed atom axis calculated capacity cathode cell centimeter characteristic charge q circuit coefficient coil component condenser conduction conductor considered copper current density current flowing curve cylinder deflection determined dielectric constant direct-current discharge distance effective electric field electromotive force electrons electrostatic element energy equal equation ferromagnetic filament flux force frequency function galvanometer given grad grid hence hysteresis impedance induction insulating integral known Laplace's equation linear load magnetic field magnetic moment magnitude maximum measured medium metal meter molecules negative normal obtained ohms parallel plate polarization potential difference potential wave potentiometer produced proportional quantity R₁ radius ratio rectifier region represents resistance rotation Show shown in Fig solenoid solution substance surface temperature terminals theorem torque tube V₁ vector voltage volts wire written zero