ProblemSolving4_class - An electron has a velocity of 1.20...

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An electron has a velocity of 1.20 × 10 4 m/s (in the positive x direction), and an acceleration of 2.00 × 10 12 m/s 2 (in the positive z direction) in a uniform electric and magnetic field. If the electric field has a magnitude of 20.0 N/C (in the positive z direction), what can you determine about the magnetic field in the region? What can you not determine? A current of 17.0 mA is maintained in a single circular loop of 2.00 m circumference. A magnetic field of 0.800 T is directed parallel to the plane of the loop. (a) Calculate the magnetic moment of the loop. (b) What is the magnitude of the torque exerted by the magnetic field on the loop? A conductor suspended by two flexible wires as shown in Figure P29.14 has a mass per unit length of 0.040 0 kg/m. What current must exist in the conductor in order for the tension in the supporting wires to be zero when the magnetic field is 3.60 T into the page? What is the required direction for the current? Consider the mass spectrometer shown schematically in Figure 29.24. The magnitude of
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This note was uploaded on 11/15/2010 for the course ARTS AND S PHYS 205 taught by Professor Zazubovits during the Fall '10 term at Concordia University Irvine.

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ProblemSolving4_class - An electron has a velocity of 1.20...

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