Physics, 24.03.2020 22:03 andydiaz1227
A simple gaussmeter for measuring horizontal magnetic fields consists of a stiff 52 cm wire that hangs from a conducting pivot so that its free end makes contact with a pool of mercury in a dish below. The mercury provides an electrical contact without constraining the movement of the wire. The wire has a mass of 3 g and conducts a current downward. (a) What is the equilibrium angular displacement of the wire from vertical if the horizontal magnetic field is 0.04 T and the current is 0.20 A?
Answers: 1
to the wire to obtain:
to obtain:
:![\theta=sin^{-1}[\frac{IlB}{mg}]](/tpl/images/0561/6740/8de30.png)
![\theta= sin^{-1}[\frac{0.2A\times0.52m\times 0.040T}{0.003\ kg\times9.8m/s^2}]\\\\=8.1345\textdegree](/tpl/images/0561/6740/88e93.png)
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A simple gaussmeter for measuring horizontal magnetic fields consists of a stiff 52 cm wire that han...
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