In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

[EX Q]: The relationship between temperature and this quantity is given by the Steinhart-Hart equation. Tunnel diodes have a negative value for this quantity, whose changes are measured by the most common type of strain gauge. The proximity and skin effects cause increases in this quantity with increasing frequency. The time constant tau is equal to indudctance divided by this quantity in an RL circuit. An unknown value of this quantity can be determined with a Wheatstone bridge. This quantity is the real part of impedance in AC circuits, and it is equal to voltage divided by current. For 10 points, name this opposition to the flow of current that is measured in ohms.
[EX A]: Science

[EX Q]: At the end of the novel, the title character's daughter marries Aaron Winthrop, who is happy to allow the title character to live with them. After the opium addict Molly Farren dies in the snow, 16 years pass, and the skeleton of Dunstan Cass is found in a drained pit, along with the title character's stolen gold. FTP, identify this 1861 novel, which ends with Godfrey Cass admitting that Eppie is his daughter, the story of a linen-weaver from Raveloe which was written by George Eliot.
[EX A]: Literature

[EX Q]: It came about because General Bazaine had fought a successful engagement Saarbrucken, but then gotten bogged down at Metz and needed to be rescued. With his newly formed Army of Chalons General MacMahon tried to recapture the glory that had earlier allowed him to beat the Austrians at Solferino and Magenta, but at this site near the Meuse his opponents managed to pound him with their steel artillery while still out of range of French bronze guns. Thus 100,000 men got captured by von Moltke's army, which then went on to occupy Paris in the aftermath of, for 10 points, what battle that saw the end of Napoleon III and the Franco-Prussian War
[EX A]:
History