21_InstSolManual_PDF_Part9

# 21_InstSolManual_PDF_Part9 - Electromagnetic Induction 21-9...

• Notes
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21.30. Set Up: The emf in solenoid 2 produced by changing current in solenoid 1 is given by The mutual inductance of two such solenoids is derived in Example 21.8 to be where A and l are the cross-sectional area and length of solenoid 1. Solve: (a) (b) 21.31. Set Up: Solve: (a) is constant, so is constant. (b) with the same M as in part (a), so 21.32. Set Up: The inductance L is related to the flux through one turn by The voltage across the coil is related to the rate at which the current in it is changing by Solve: (a) (b) 21.33. Set Up: Solve: 21.34. Set Up: Solve: 21.35. Set Up: Example 21.10 shows that the inductance of a toroidal solenoid is The voltage across the coil is related to the rate at which the current in it is changing by Solve: (a) (b) Reflect: The inductance is determined solely by how the coil is constructed. The induced emf depends on the rate at which the current through the coil is changing. 21.36. Set Up: Example 21.10 shows that the inductance of a toroidal solenoid is Solve: L is proportional to so increasing N to doubles L.
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• Spring '07
• Shoberg
• Current, Inductance, Magnetic Field, Solenoid, #, Inductor, 0.500 M, 1 0.0600 m

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