# Spring 11 Phys 121 - HW 11 - dzifanu (sd26397) hw 11...

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dzifanu (sd26397) – hw 11 – opyrchal – (121102)1Thisprint-outshouldhave11questions.Multiple-choice questions may continue onthe next column or page – find all choicesbefore answering.What is the magnitude of the inducedEinthe coil at the instant the magnetic field hasa magnitude of 56 mT?
00110.0pointsFind the magnetic flux through a 450-turn
solenoid of length 30 cm and radius 2 cm thatcarries a current of 2 A. The permeability offree space is 4π×10-7T·m/A.E=-NdΦBdtΦBintegraldisplayvectorB·dvectorA=B·A39 cm). Each turn has the same area, equalBasicConcepts:E=-NdΦBdtΦBintegraldisplayvectorB·dvectorA=B·A
to that of the frame.A uniform magneticfield is directed perpendicular to the plane ofthe coil. This field changes at a constant ratefrom 21 mT to 68 mT in 29 ms.Outside solenoid hasN1turnsInside solenoid hasN2turns
dzifanu (sd26397) – hw 11 – opyrchal – (121102)2What is the magnitude of the inducedemf,00410.0points
A magnetic field of 0.127 T exists in the regionenclosed by a solenoid that has 344 turns anda diameter of 12 cm.Within what period of time must the fieldbe reduced to zero if the average magnitude

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Term
Spring
Professor
PRODAN
Tags
Magnetic Field, Correct Answer, Wire