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A rectangular coil consists of N = 12 closely wrapped turns and has dimensions ab = 3.17m and bc O Z = 3.35m. The coil is hinged along the z axis, and its C plane makes an angle 0=630 with the x axis. There is O y a current I=1.21A along the direction form a to b T O y B running through the loop, and a uniform magnetic a a field B = 0.37T directed along the x axis. Calculate X X the magnitude of the torque (unit in Nm) exerted on 3D View 2D View (z out of page) the coil by a uniform magnetic field.A rectangular coil consists of N = 200 closely wrapped turns and has dimensions ab = 3.15m and tz O Z bc = 2.56m. The coil is hinged along the z axis, and C its plane makes an angle 0=350 with the x axis. b O V There is a current 1=4.25A along the direction form a O y B to b running through the loop, and a uniform a a magnetic field B = 0.750T directed along the x axis. X X What is the expected direction of rotation of the coil 3D View 2D View (z out of page) in the 2D view picture? O Counter clockwise O Clockwise O out of the page O into the pageA Hall-effect probe operates with a 329mA current. When the probe is placed in a uniform magnetic field of magnitude 77.4mT, it produces a Hall voltage of 0.87uV. When it is used to measure an unknown magnetic field, the Hall voltage is 0.58uV. Find is the magnitude of the unknown field (unit in mT )