When is the magnetic flux said to be negative? a) θ = 180o b) θ = 360o c) θ = 90o d) θ = 0o
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When is the magnetic flux said to be negative?
a) θ = 180o
b) θ = 360o
c) θ = 90o
d) θ = 0o
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- Q) If you wanted to shield your electronics from stray magnetic fields, what would you use for the box around your electronics. Explain why.How can magnetic flux be zero when the magnetic field is not zero? a)All magnetic fields are associated with magnetic monopoles. b)All magnetic fields are associated with magnetic dipoles. c)Unlike the electric field, the magnetic field is constant everywhere. d)You can only enclose one pole of a magnet at a time in a Gaussian surface.6) A charged particle has velocity Jo = vfê + všŷ when it enters a region of uniform magnetic field B = Bââ, setting the particle on a helical motion. a) Determine the radius of the helix. b) Determine the time it takes to complete one full turn of the helix. c) Determine the displacement in the r-direction during the the time to complete one full turn of the helix.
- unstanding hard02A) a proton moves at 7.50 x 10 perpendicular to a magnetic field. The field causes the proton to travel in a circular path of radiusim What is the field strength? (a) at what speed will a proton move in a circular path of the same radius as the electron (b) What would the radius be if the proton had the same momentum?