For fermions, the thermodynamic probability for the j-th energy level is expressed 935 na(9,- g and n, represent degeneracy and the number of as particles in the j-th energy level, respectively. (a) what is the distribution for maximum thermodynamic probability when the total number of particles, n and the total internal energy, u are kept constant. one of the undetermined multipliers may be the chemical potential, , and the stirling's formula is ln(a! ) xlna- . (b) at a temperature of absolute zero, find out the fermi energy u(0) (c) plot f(e) e) as a function of e at t 0 (d) the internal energy of a gas of n fermions is expressed as 2 5t nef[1+ 12 t t -)4.. find out the fermion gas pressure. what is 16 tp u h2 the relation with u? cf. =p(0) and f2tmk 1.504 v -)2/3

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

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what is the actual question though?

u

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