A) An electron can travel North, South, East, West, Up or Down. If an electron h
ID: 3163482 • Letter: A
Question
A) An electron can travel North, South, East, West, Up or Down. If an electron heads East through a magnetic field oriented North, which way will the electron be accelerated?
C) What is the magnitude of the force on an electron moving with speed v = 0.43 m/s perpendicularly to the direction of a constant magnetic field with magnitude B = 0.31566 Wb/m2. The mass of an electron is 9.1 x 10-31 kg Do not include units or sign in your answer. Answer using scientific notation.
A) An electron can travel North, South, East, West, Up or Down. If an electron heads East through a magnetic field oriented North, which way will the electron be accelerated?
B) You find the current required to cancel the Earth's magnetic field is I0 = 0.47 A. You find to deflect the beam into one of the pins requires a current of I = 2.08 A . What is the magnitude of the magnetic field? Use SI units, but do not include units in your answer.Explanation / Answer
(A)
Right hand rule:
Show the fingers of the right hand along the direction of the velocity of the positive charge. Curl the fingers towards the direction of the magnetic field. The stretched thumb shows the direction of the magnetic force on the charge. The direction of the force will be in opposite direction for the negative charge.
Therefore, the electron accelerates towards down. So, the answer is down.
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