How Do You Correctly Calculate Vk in a Basic Circuit Using KVL?

  • Context: Engineering 
  • Thread starter Thread starter J.live
  • Start date Start date
  • Tags Tags
    Circuit Kvl
Join the discussion
Ask a follow-up here, or get your own question answered by working scientists, mathematicians and engineers — people, not an autocomplete.
Real named experts · corrections over time · the nuance an AI answer skips
Sign up Log in
1 reply · 2K views
J.live
Messages
95
Reaction score
0

Homework Statement



Find the value of Vk

http://oi54.tinypic.com/2s6x005.jpg

Homework Equations


The Attempt at a Solution


Assuming dependent Vk = 12i

-60 + 4i + 12i + 12i = 0

-60 + 28i = 0

i = 2.14

Vk = 12 * 2.14 = 25 .68 ?

Answer is 18. Can someone tell me where I am going wrong ?
 
Physics news on Phys.org
Your calculations are correct.
 

Similar threads

Engineering Unable to model Transresistance amplifier with feedback correctly
  • eyeweyew
  • · Replies 1 ·
  • Engineering and Comp Sci Homework Help
Replies
1
Engineering How Do You Solve Basic Electric Circuit Analysis Problems with KCL and KVL?
  • wompkins
  • · Replies 4 ·
  • Engineering and Comp Sci Homework Help
Replies
4
Engineering Basic circuit problem -- Resistor network and a voltage source
  • edgarpokemon
  • · Replies 6 ·
  • Engineering and Comp Sci Homework Help
Replies
6
Engineering Phasor Circuit Analysis Homework: Understanding Incorrect Answers | MacLaddy
  • MacLaddy
  • · Replies 6 ·
  • Engineering and Comp Sci Homework Help
Replies
6
How Do You Solve a Source-Free Current Response Problem Using KVL?
  • k_squared
  • · Replies 3 ·
  • Engineering and Comp Sci Homework Help
Replies
3
Engineering How Do You Calculate the Voltage Across v1 Using KCL and KVL?
  • planauts
  • · Replies 1 ·
  • Engineering and Comp Sci Homework Help
Replies
1
Engineering The equivalent resistance of the circuit
  • roinujo1
  • · Replies 8 ·
  • Engineering and Comp Sci Homework Help
Replies
8
Engineering Basic Circuit Problems - KVL and KCL
  • steven10137
  • · Replies 6 ·
  • Engineering and Comp Sci Homework Help
Replies
6
Engineering How Do You Solve for Voltage U in a Simple DC Circuit with Series Components?
  • Zrpeip
  • · Replies 5 ·
  • Engineering and Comp Sci Homework Help
Replies
5
Engineering Calculating R2 for 5W Output in Op-Amp Circuit - Homework Help
  • hogrampage
  • · Replies 3 ·
  • Engineering and Comp Sci Homework Help
Replies
3