A simple gaussmeter for measuring horizontal magnetic fields consists of a stiff 50 cm wire that hangs vertically 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 6 g and conducts a current downward. The acceleration due to gravity is 9.81 m/s 2 . What is the equilibrium angular displacement of the wire from vertical if the horizontal magnetic field is 0.01 T and the current is 0.1 A
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A simple gaussmeter for measuring horizontal magnetic fields consists of a stiff 50 cm wire that han...
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