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Recent content by skitzin

  1. S

    Need help with nodal analysis of a DC circuit.

    Ok quick question how did you find the directions for the current?
  2. S

    Need help with nodal analysis of a DC circuit.

    Ok so for node 4: I got 3V4/4 - V1/2 - V2/4 = -2mA ------- (Eq 1) I got for Node 1/2: (3V1/2 - V4/2 - V3/2 + I) + (29/20)V2 - V4/4 - V3/5 - I = 0 V1-V2=12 ------ (Eq 2) Node 3: Ia = V1/2k Therefore 7V3 - 6V1 -2V2 = 0 ------(Eq 3) Then by substituting Eq 2 into Eq 3 eliminates I...
  3. S

    Need help with nodal analysis of a DC circuit.

    Ok for the equation for node 4. Why wouldn't it be (V4-V1)/2 + 2mA + (V4-V2)/4 = 0 ? Is it because we included it in the node 1,2 equation?
  4. S

    Capacitors do not dissipate power

    I always understood it as: The power is V x I x cosine of the phase difference between V and I and since the cosine of 90° is zero, the power dissipated is zero.
  5. S

    Need help with nodal analysis of a DC circuit.

    Hi guys, first time poster and new forum member :) Was hoping to get some help with nodal analysis of a circuit I have come across as an extension question in my class tutorials. This is the circuit here: https://i.imgur.com/i4cY8B7.png I'm looking to find the set of NODAL equations that...
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