A long wire carries a current of 3.0 A along the axis of a long solenoid (radius = 3.0 cm,n = 900 turns/m,current = 30 mA).What is the magnitude of the magnetic field at a point 2.0 cm from the axis of the solenoid? Neglect any end effects.
A)34 $\mu$T
B)64 $\mu$T
C)30 $\mu$T
D)45 $\mu$T
E)4.0 $\mu$T

Question

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The Answer of A long wire carries a current of 3.0 A along the axis of a long solenoid (radius = 3.0 cm,n = 900 turns/m,current = 30 mA).What is the magnitude of the magnetic field at a point 2.0 cm from the axis of the solenoid? Neglect any end effects.
A)34 $\mu$T
B)64 $\mu$T
C)30 $\mu$T
D)45 $\mu$T
E)4.0 $\mu$T

A Long Wire Carries a Current of 3 μ\muμ T B)64 μ\muμ

A Long Wire Carries a Current of 3 $\mu$ T
B)64 $\mu$