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4.A circular wire loop40 cm in diameter has 100 Q resistance and lies on a horizontal plane.A uniform magnetic field of 1.5 T points vertically downward. The circular loop is then reshaped to a square loop in 3.5ms. (a) Calculate the flux before and after reshaping the loop (b) Find the induced current during this time? (c) What is the direction of the induced current? 

          4.A circular wire loop40 cm in diameter has 100 Q resistance and lies on a horizontal plane.A uniform magnetic field of 1.5 T points vertically downward. The circular loop is then reshaped to a square loop in 3.5ms. (a) Calculate the flux before and after reshaping the loop (b) Find the induced current during this time? (c) What is the direction of the induced current?
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4a circular wire loop40 cm in diameter has 100 q resistance and lies on a horizontal planea uniform magnetic field of 15 t points vertically downward the circular loop is then reshaped to a 33256

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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4.A circular wire loop40 cm in diameter has 100 Q resistance and lies on a horizontal plane.A uniform magnetic field of 1.5 T points vertically downward. The circular loop is then reshaped to a square loop in 3.5ms. (a) Calculate the flux before and after reshaping the loop (b) Find the induced current during this time? (c) What is the direction of the induced current?
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Transcript

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00:01 This question we will calculate the magnitude of induced current.
00:04 Okay, so first of all, we know that emf is equal to n times d5 over dt.
00:14 D5 is basically flux through one coin.
00:17 Now, formula for flux is equal to b times a, cost 0 degree in this case...
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