ch02 FE sol's

ch02 FE sol's - Solutions to FE Problems Chapter 2 2FE-1...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Solutions to FE Problems Chapter 2 2FE-1 What is the power generated by the source in the network in Fig. 2PFE-1? The correct answer is b . V 120 S R 1 R 2 R 3 R 4 R 5 R a b c Resistors R 1 , R 2 , and R 3 are connected in delta. A delta-wye transformation can be conducted. = + + = + + = k k k k k k R R R R R R a 3 12 18 6 ) 18 ( 6 3 2 1 2 1 = + + = + + = k k k k k k R R R R R R b 6 12 18 6 ) 12 ( 18 3 2 1 3 2 = + + = + + = k k k k k k R R R R R R c 2 12 18 6 ) 12 ( 6 3 2 1 3 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
V 120 S R c R b R 4 R 5 R a b c a R )] 6 6 ( ) 4 2 [( 3 5 )] ( ) [( 5 4 k k k k k k R R R R R R R b c a s eq + + + + = + + + + = = + + = k k k k k k R eq 12 12 6 ) 12 ( 6 8 W k R V P eq s V s 2 . 1 12 ) 120 ( 2 2 = = = 2FE-2 Find V ab in the circuit in Fig. 2PFE-2. The correct answer is d . A 4 15 10 10 5 a b 2 I 1 I
Background image of page 2
( 29 A I 5 . 1 4 15 10 5 10 5 10 1 = + + + + = ( 29 A I 5 . 2 4 15 10 5 10 15 10 2 = + + + + = V V 5 . 12 ) 5 . 2 ( 5 5
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/22/2009 for the course EEE EEE-202 taught by Professor Matar during the Spring '09 term at ASU.

Page1 / 7

ch02 FE sol's - Solutions to FE Problems Chapter 2 2FE-1...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online