You take your trusty 120 turn solenoid, with 20 cm diameter and spin it at a...

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Physics

You take your trusty 120 turn solenoid, with 20 cm diameter andspin it at a rate of 10 times per second in a magnetic field thatyou have constructed with two gigantic neodymium magnets, creatinga uniform magnetic field. You are spinning the solenoid so that itsrotation axis is perpendicular to the magnetic field direction.

a) What field strength do you need to create a peak emf voltageof 150 V? (Hint: use flux as a function of angle.)

b) What orientation must the solenoid be in to achieve peakemf?

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4.2 Ratings (711 Votes)
Flux NBAcosWhere N is the total number of turns B is the field strength ofneodymium magnet A is the    See Answer
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