CHAPTER 29 - CHAPTER 29 1)A charged particle of mass 1.43 g...

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1)A charged particle of mass 1.43 g is moving at a speed of 1.59 10 4 m/s. Suddenly, a uniform magnetic field of magnitude 0.147 mT in a direction perpendicular to the particle's velocity is turned on and then turned off in a time interval of 1.00 s. During this time interval, the magnitude and direction of the velocity of the particle undergo a negligible change, but the particle moves by a distance of 0.150 m in a direction perpendicular to the velocity. Find the charge on the particle. µC 2) A velocity selector consists of electric and magnetic fields described by the expressions = E and = B , with B = 14.0 mT. Find the value of E such that a 800 -eV electron moving in the negative x direction is undeflected. kV/m 3) A wire 2.80 m in length carries a current of 5.20 A in a region where a uniform magnetic field has a magnitude of 0.430 T. Calculate the magnitude of the magnetic force on the wire assuming the following angles between the magnetic field and the current. (a) 60.0°
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This note was uploaded on 10/22/2010 for the course PHYSICS PHYSICS taught by Professor Physics during the Spring '09 term at El Camino.

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CHAPTER 29 - CHAPTER 29 1)A charged particle of mass 1.43 g...

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