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 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 dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero