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# A closely wound, circular coil with radius 2.60 cm has 800 tums. Part A What must... A closely wound, circular coil with radius 2.60 cm has 800 tums. Part A What must the current in the coil be if the magnetic field at the center of the coil is 0.0790 T? Express your answer to three significant figures and include the appropriate units. I - 4.09 A Previous Answers ✓ Correct Part B At what distance from the center of the coil, on the axis of the coll, is the magnetic field half its value at the center? Express your answer to three significant figures and include the appropriate units. O O O ? I = Value Units Submit Request Answer #### Earn Coins

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• ### Exercise 28.34 - Enhanced - with Feedback A closely wound, circular coil with radius 2.30 cm... Exercise 28.34 - Enhanced - with Feedback A closely wound, circular coil with radius 2.30 cm has 800 turns. Part A What must the current in the coil be if the magnetic field at the center of the coil is 0.0790 T? Express your answer with the appropriate units. ANSWER: I= Part B At what distance x from the center of the coil, on the axis of the coil, is the magnetic field half its value at the center? Express...

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• ### A closely wound circular coil with a diameter of 4.00 cm has 600 turns and carries...

A closely wound circular coil with a diameter of 4.00 cm has 600 turns and carries a current of 0.510 A . What is the magnetic field at the center of the coil?

• ### A closely wound circular coil with a diameter of 4.10 cm has 520 turns and carries...

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• ### A closely wound circular coil with a diameter of 4.00cm has 600 turns and carries a current of...

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• ### Part B A circular loop in the plane of a paper lies in a 0.45 T... Part B A circular loop in the plane of a paper lies in a 0.45 T magnetic field pointing into the paper. The loop's diameter changes from 17.5 cm to 6.8 cm in 0.54 s What is the magnitude of the average induced emf? Express your answer to two significant figures and include the appropriate units. UA ? Eavg) = Value Units Submit Request Answer Part C What is the average induced current if the coil resistance is 3.3 12?...

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