Find the direction of the force for an electron as shown in the figure below
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Find the direction of the force for an electron as shown in the figure below
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- Is a positively charged object an object that has an excess of positive elecrons?The electric field at the center of the VDG dome isA. The maximumB. The minimum but NON zeroC. ZeroAn electron entering Thomson’s e/m apparatus has an initial velocity (in horizontal direction only) of 4.0 x 106 m/s. In the lab is a permanent horseshoe magnet of strength 12 mT, which you would like to use. (a) What electric fi eld will you need in order to produce zero defl ection of the electrons as they travel through the apparatus? (b) The length of nonzero E and B fi elds is 2.0 cm. When the magnetic fi eld is turned off, but the same electric field remains, how far in the vertical direction will the electron beam be deflected over this length?magnetic fi eld is turned off, but the same electric fi eld remains, how far in the vertical direction will the electron beam be defl ected over this length
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