1. The problem statement, all variables and given/knowndata A solenoid has N1 tu
ID: 1743496 • Letter: 1
Question
1. The problem statement, all variables and given/knowndataA solenoid has N1 turns, radius R1, and length L. It is so longthat its magnetic field is uniform nearly everywhere inside it andis nearly 0 outside. A second solenoid has N2 turns, radius R2 <R1, and the same length L. It lies inside the first solenoid, withtheir axes parallel.
(a) Assume solenoid 1 carries variable current I. Computer themutual inductance characterizing the emf induced in solenoid 2.
(b) Now assume solenoid 2 carries current I. Compute the mutualinductance to which the emf in solenoid 1 is proportional.
(c) State how the results of parts (a) and (b) compare with eachother.
2. Relevant equations
E = -L (dI/dt)
E2= -M12 (dI1/dt)
E1= -M21 (dI2/dt)
Explanation / Answer
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