Select the correct description of how inductances are combined in series and in parallel A. Inductances in series are added. Inductances in parallel are combined by taking the reciprocal of the sum of the reciprocals of the inductances
B. Inductances in series or parallel are always added
C. Inductances in series are combined by taking the reciprocal of the sum of the reciprocals of the inductances.
D. Inductances in parallel are added. Inductances in series or parallel are always combined by taking the reciprocal of the sum of the reciprocals of the inductances.

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To understand the behavior of the electric field at the surface of a conductor, and its relationship to surface charge on the conductor. a conductor is placed in an external electrostatic field. the external field is uniform before the conductor is placed within it. the conductor is completely isolated from any source of current or charge. part a: which of the following describes the electric field inside this conductor? it is in the same direction as the original external field. it is in the opposite direction from that of the original external field. it has a direction determined entirely by the charge on its surface. it is always zero. part b: the charge density inside the conductor is: 0non-zero; but uniformnon-zero; non-uniforminfinite part c: assume that at some point just outside the surface of the conductor, the electric field has magnitude e and is directed toward the surface of the conductor. what is the charge density η on the surface of the conductor at that point? express your answer in terms of e and ϵ0

Select all the correct answers. which two statements are true? a moving magnetic field creates an electric field. a constant magnetic field creates an electric field. a constant electric field creates a magnetic field. a moving electric field creates a magnetic field. resetnext