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The Power Factor of an RLC Circuit Is Defined as Cos

Question 18

Multiple Choice

The power factor of an RLC circuit is defined as cos The power factor of an RLC circuit is defined as cos  = R/Z, but the phase angle can also be calculated from A)  sin  = Z/( X<sub>L</sub> - X<sub>C</sub>) . B)  sin   = (X<sub>L</sub> - X<sub>C</sub>) /Z. C)  sin   = RZ/( X<sub>L</sub> - X<sub>C</sub>) . D)  sin   = (X<sub>L</sub> - X<sub>C</sub>) /RZ.= R/Z, but the phase angle can also be calculated from


A) sin 11eea40e_0adb_84f4_97f4_991b903cac4d_TB9720_11= Z/( XL - XC) .
B) sin 11eea40e_0adb_84f4_97f4_991b903cac4d_TB9720_11 = (XL - XC) /Z.
C) sin 11eea40e_0adb_84f4_97f4_991b903cac4d_TB9720_11 = RZ/( XL - XC) .
D) sin 11eea40e_0adb_84f4_97f4_991b903cac4d_TB9720_11 = (XL - XC) /RZ.

Correct Answer:

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