Wearing a silver bracelet in an area with a high magnetic field is risky because of what?
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- One way to make a compass is to stick a magnetized needle into a piece of cork and float it in a glass bowl full of water. The needle will align itself with the horizontal component of Earth’s magnetic field. Since the north pole of this compass is attracted northward, will the needle float toward the north side of the bowl? Defend your answer.In a TV set, electrons are accelerated from rest through a PD of 15 kV. The electrons then pass through a 0.35-T magnetic field that deflects them to the appropriate spot on the screen. Find the magnitude of the maximum force that an electron can experience.What is the acceleration of a proton moving with a speed of 7.5 (m/s) parallel to a magnetic field of 1.4 (T)?