ENGINEERING APPLICATION In your physics laboratory class,
Chapter , Problem 22(choose chapter or problem)
ENGINEERING APPLICATION In your physics laboratory class, you have constructed a simple gaussmeter for measuring the horizontal component of magnetic fields. The setup 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 (Figure 26-33). The mercury provides an electrical contact without constraining the movement of the wire. The wire has a mass of and conducts a current downward. (a) What is the equilibrium angular displacement of the wire from vertical if the horizontal component of the magnetic field is and the current is (b) What is the sensitivity of this gaussmeter? That is, what is the ratio of the output to the input (in radians per tesla)?
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