For full credit, make your work clear. Show the formulas you use, all the essent
ID: 1609827 • Letter: F
Question
For full credit, make your work clear. Show the formulas you use, all the essential steps, and results with correct units. Partial credit is available if your work is clear. Point values are in parenthesis. For Multiple Choice questions, choose the best answer. Coulomb's Law constant k = 8.988 times 10^9 Nm^2/C^2, permittivity of free space epsilon_o = 8.854 times10^-12 C^2/Nm^2 = 8.854 pF/m, permeability of free space mu_o = 4pi times 10^-7 T middot m/A, elementary charge e = 1.602 times 10^-19 C, electron mass m_e = 9.11 times 10^-31 kg, 1 electron-volt = 1.0 eV = 1.602 times 10^-19 J, 1 gauss = 1 G = 1.0 times 10^-14 T. A circular loop of wire, starting perpendicular to a magnetic field, rotates around an axis as shown (left edge moving outward, right edge inward). The current induced in the loop is: clockwise. counterclockwise. zero. A bar magnet moves away from a circular loop of wire at constant speed, with its north pole near the loop. The emf (or current) induced in the loop is: clock wise. counterclockwise. zero.Explanation / Answer
1) In this question as circular loop rotates, magnetic flux passing through this will reduce and due to this change of magnetic flux current will induce to overcome this effect
magnetic flux was out of the page and it is reducing so induce magnetic flux will be out of the page and for this induce current will be counterclockwise
2) Here magnetic flux due to magent was towards left and it is reducing as magnet is moving towards right so induce magnetic field will be towards left due to the loop and for this current will induce clockwise
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