Accessible AC (#6)

Electricity and Magnetism Level 2

Let X C X_C be a positive real number representing capacitive reactance . Capacitive impedance can be expressed as (where j = − 1 j = \sqrt{-1} ):

Z C ⃗ = j α X C \Large{\vec{Z_C} = j^{\, \alpha} X_C}

Which option would be an appropriate choice for α \alpha ?

3 2 5 4

Steven Chase by Steven Chase , 37, USA

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1 solution

Steven Chase
Dec 16, 2017

The capacitive impedance can be expressed as:

Z C ⃗ = − j X C = j 3 X C \vec{Z_C} = -j X_C = j^3 X_C

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