(4%) Problem 5: Joe has rolled a long electrical extension cord into a coil of radius...
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(4%) Problem 5: Joe has rolled a long electrical extension cord into a coil of radius rc = 11 cm with N = /1 loops. The coil of extension cord is initially lying horizontally (flat) on the floor of Joe's garage. Joe picks up the coil and rotates it 90° in t, = 0.65 seconds so that the coil is now vertically oriented (see the figure). J ▷ A 33% Part (a) If the Earth's magnetic field has strength 0.50 gauss and makes an angle of 20.0 degrees with the garage floor, calculate the change in the magnetic flux 4Ø, in Wb, through one of the loops of the coil during the rotation. ΔΦB = || sin() cotan() cos() asin() atan() acotan() cosh() tanh() Degrees Submit Hints: 1% deduction per hint. Hints remaining: 4 tan() acos() sinh() cotanh() Radians Hint П ( ^^^ + VO * Feedback 7 8 9 4 5 6 1 2 3 - 0 BACKSPACE . HOME END CLEAR I give up! Feedback: 0% deduction per feedback. B Grade Summary Deductions Potential 0% 100% Submissions Attempts remaining: 5 (5% per attempt) detailed view A 33% Part (b) Calculate the average induced emf &c, in volts, in the coil during the rotation. A 33% Part (c) If the extension cord had a resistance of 3.0 ohms, calculate the induced current I, in amps, in the extension cord. (4%) Problem 5: Joe has rolled a long electrical extension cord into a coil of radius rc = 11 cm with N = /1 loops. The coil of extension cord is initially lying horizontally (flat) on the floor of Joe's garage. Joe picks up the coil and rotates it 90° in t, = 0.65 seconds so that the coil is now vertically oriented (see the figure). J ▷ A 33% Part (a) If the Earth's magnetic field has strength 0.50 gauss and makes an angle of 20.0 degrees with the garage floor, calculate the change in the magnetic flux 4Ø, in Wb, through one of the loops of the coil during the rotation. ΔΦB = || sin() cotan() cos() asin() atan() acotan() cosh() tanh() Degrees Submit Hints: 1% deduction per hint. Hints remaining: 4 tan() acos() sinh() cotanh() Radians Hint П ( ^^^ + VO * Feedback 7 8 9 4 5 6 1 2 3 - 0 BACKSPACE . HOME END CLEAR I give up! Feedback: 0% deduction per feedback. B Grade Summary Deductions Potential 0% 100% Submissions Attempts remaining: 5 (5% per attempt) detailed view A 33% Part (b) Calculate the average induced emf &c, in volts, in the coil during the rotation. A 33% Part (c) If the extension cord had a resistance of 3.0 ohms, calculate the induced current I, in amps, in the extension cord.
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Answer Find the flux through one coil and use Faradays law of elec... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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