“This is called ohmic (or resistive) heating; it is the same kind of heating that occurs in an electric light bulb or in an electric heater.”
“The reason for this starts with surface inhomogeneities that lead to nucleation of the deposition process in one spot, after which ohmic and transport effects lead to further amplification of this inhomogeneity.”
“But as the temperature of heated plasma rises, the resistance decreases and the ohmic heating becomes less effective.”
“It appears that the maximum plasma temperature attainable by ohmic heating in a tokamak is 20-30 million degrees Celsius.”
“As far as the dangers go, its a lot safer than nuclear fission power (the reactor types that are being used now) because it produces virtually no radiation or nuclear waste (ohmic heating of a plasma in a tokamak replaces the irradiated water if a fission reactor which produces nuclear waste).”
“In order to improve the quality of control, an ohmic base load has to be connected to the load exit of the device according to the instructions of the manufacturer (e.g. filament lamps 25 W).”
“Given differing loads with ohmic, inductive or capacitive external resistance gives rise to the dependence of output voltage on load current as shown in Figure 135.”
“The windings in the operating field yield an ohmic resistor, the internal resistor R1.”
“Fluorescent lamps can also be operated by direct current voltage, if the lacking a.c. resistance is replaced by an ohmic resistance and the lamp is pole-changed from time to time with the help of an intermediate switch.”
“Figure 41 sets out the interrelationship between the generated voltage U0, the terminal voltage U and the ohmic load current.”
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