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Q. Point out the direction of the current if any induced to flow in the coil by the changing magnetic field.
Answer:
1. Given: declining number of magnetic field lines upward through coil.
2. By Faraday's Law of Induction 1 above encourage current in coil.
3. By Ampere's Law encourage current produces new magnetic field BPIN through coil.
4. By Lenz's Law BPIN is rising through the coil to make up for loss of upward magnetic field lines.
5. By right-hand rule for somewhat curly something straight induced current (referred to in step 2) must be counter clockwise, as viewed from above to produce upward BPIN.
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