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AP® Physics C: E & M

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Units of Inductance

APPHEM-BZNNDA

An inductor is a device that stores energy in a magnetic field and resists changes to current. Which of the following are units of inductance?

I. $\mathrm{H}$

II. $\mathrm{Wb}$

III. $\mathrm{\cfrac{Wb}{A}}$

IV. $\mathrm{\cfrac{V}{A}}$

V. $\mathrm{\cfrac{Vs}{A}}$

VI. $\mathrm{\Omega \cdot s}$

VII. $\mathrm{\cfrac{J}{A^2}}$

VIII. $\mathrm{J \cdot{A^2}}$

A

I only.

B

I and II only.

C

I and III only.

D

I, IV, VII and VIII only.

E

I, III, V, VI and VII only.