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Category > Physics Posted 08 May 2017 My Price 8.00

long air-core solenoidal coil

Consider a long air-core solenoidal coil with N turns and total inductance L0. A constant current
I is flowing in the coil. Answer the following in terms of the quantities L0, N, and I. (a) What is the magnitude of the magnetic flux '1’}; through each turn? (b) What is the total energy stored in the coil? Now a rod of soft iron with magnetic permeability pm is inserted into the solenoid, completely
filling its interior volume. The current through the coil is held fixed at the value I. Answer the
following in terms of the quantities L0, N , and I (as above) and pm. (c) What is the new magnetic flux (FE through each turn? (d) What is the new value of inductance L? (e) What is the total energy now stored in the coil? If the energy is different, discuss the origin of
the increase or decrease in terms of the principle of conservation of energy.

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SuperTutor
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Status NEW Posted 08 May 2017 02:05 AM My Price 8.00

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