javlo2491 javlo2491
  • 24-05-2023
  • Engineering
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A solenoid of radius 4.5 cm has 800 turns and a length of 25 cm.
(a) Find its inductance.
Apply the expression for the inductance of a solenoid. mH
(b) Find the rate at which current must change through it to produce an emf of 70 mV. (Enter the magnitude.)

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