The power factor of an RLC circuit is defined as cos = R/Z, but the phase angle can also be ...

Author Question: The power factor of an RLC circuit is defined as cos = R/Z, but the phase angle can also be ... (Read 343 times)

Chelseaamend

Hero Member
Posts: 545

on: Jul 27, 2018

The power factor of an RLC circuit is defined as cos = R/Z, but the phase angle can also be calculated from

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

Question 2

What is the theoretical efficiency of a Carnot engine that operates between 600 K and 300 K?

A) 100
B) 75
C) 25
D) 50
E) 0

AaaA

Sr. Member
Posts: 339

Reply #1 on: Jul 27, 2018

Answer to Question 1

A

Answer to Question 2

D

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