A solenoid has N turns of area A distributed uniformly along its length, /. When the current in this solenoid increases at the rate of 2.0 A>s, an induced emf of 75 mVis observed. (a) What is the inductance of this solenoid? (b) Suppose the spacing between coils is doubled. The result is a solenoid that is twice as long but with the same area and numberof turns. Will the induced emf in this new solenoid be greaterthan, less than, or equal to 75 mV when the current changes atthe rate of 2.0 A>s? Explain. (c) Calculate the induced emf forpart (b).
A solenoid has N turns of area A distributed uniformly along its length, /. When the current in this solenoid increases at the rate of 2.0 A>s, an induced emf of 75 mVis observed. (a) What is the inductance of this solenoid? (b) Suppose the spacing between coils is doubled. The result is a solenoid that is twice as long but with the same area and numberof turns. Will the induced emf in this new solenoid be greaterthan, less than, or equal to 75 mV when the current changes atthe rate of 2.0 A>s? Explain. (c) Calculate the induced emf forpart (b).
Chapter14: Inductance
Section: Chapter Questions
Problem 34P: A solenoid of N1turns has length l1and radius R1, and a second smaller solenoid of N2turns has...
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A solenoid has N turns of area A distributed uniformly along its length, /. When the current in this solenoid increases at the rate of 2.0 A>s, an induced emf of 75 mV
is observed. (a) What is the inductance of this solenoid? (b) Suppose the spacing between coils is doubled. The result is a solenoid that is twice as long but with the same area and number
of turns. Will the induced emf in this new solenoid be greater
than, less than, or equal to 75 mV when the current changes at
the rate of 2.0 A>s? Explain. (c) Calculate the induced emf for
part (b).
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