A toroid is a solenoid-like coil bent into a circle (Fig. 26.52a). Toroids are the configuration of
Question:
A toroid is a solenoid-like coil bent into a circle (Fig. 26.52a). Toroids are the configuration of choice in magnetic-confinement nuclear fusion experiments, which, if successful, could provide us with an almost unlimited energy source using deuterium fuel extracted from seawater.
The ITER consortium, an international collaboration, is building a large toroidal fusion experiment in France; it?s expected to be the first fusion device to produce energy on a large scale. Figure 26.52b shows a cross section of a toroid, with current emerging from the page at the inner edge and descending at the outer edge. The black circle is an Amperian loop
Doubling the total number of turns N in the toroid, without changing its size or the current, willa. double the magnetic field.b. quadruple the magnetic field.c. halve the magnetic field.d. not change the magnetic field.
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