Question

QUESTION 4 At home during a break from classes, you visit your grandparents who still have a tube type television, with the deep and heavy case in them, a beam of electrons fired from the center rear of the picture tube is steered to paint an image on the front of the tube ) Their living room is arranged so that the TV is on the north wall of the house, facing south, in which direction, if ever so slightly does the weak magnetic field of the earth deflect the electron beam inside the tube Up Down Left - The bear is not detected at all QUESTIONS Now Later, you go to the puestroom to ready for bed Your andparents have another old tube type television in that room this time on the westwall fang which way are the electrons in the tube deflected, if ever so shty? Down Right

Answer 1

magn is from south - magnetic field to north of earth always magnetic - 5.5.5.5:5:SC:C:2:222222220 are : other ту In this scenerio Both * field and electron antiparallel to each hence The force F = q i ū x ) = The Beam is not deflected option E is correcto at allo Ě = q ( W xB) charge on electron q = als, -106x10c X (o 8 = = 1.6815t (WxB) ů x B hate direction up, but with negative sign it becomes Down. option B is correcto lon oryeo