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Jack
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enter image description here

 

schematic

simulate this circuit – Schematic created using CircuitLab

In my book the KVL for the above circuit is written as: Vss+Ri+vD=0. I really don't understand why all the signs are positive. I would go around the loop and write Vss-Ri-Vout=0 or Vss-Ri+vD=0.

enter image description here[enter image description here][3]

enter image description here

schematic

simulate this circuit – Schematic created using CircuitLab

In my book the KVL for the above circuit is written as: Vss+Ri+vD=0. I really don't understand why all the signs are positive. I would go around the loop and write Vss-Ri-Vout=0 or Vss-Ri+vD=0.

 

schematic

simulate this circuit – Schematic created using CircuitLab

In my book the KVL for the above circuit is written as: Vss+Ri+vD=0. I really don't understand why all the signs are positive. I would go around the loop and write Vss-Ri-Vout=0 or Vss-Ri+vD=0.

enter image description here[enter image description here][3]

added 87 characters in body
Source Link
Jack
  • 694
  • 4
  • 19
  • 39
 

enter image description here

schematic

simulate this circuit – Schematic created using CircuitLab

In my book the KVL for the above circuit is written as: Vss+Ri+vD=0. I really don't understand why all the signs are positive. I would go around the loop and write Vss-Ri-Vout=0 or Vss-Ri+vD=0.

 

schematic

simulate this circuit – Schematic created using CircuitLab

In my book the KVL for the above circuit is written as: Vss+Ri+vD=0. I really don't understand why all the signs are positive. I would go around the loop and write Vss-Ri-Vout=0 or Vss-Ri+vD=0.

enter image description here

schematic

simulate this circuit – Schematic created using CircuitLab

In my book the KVL for the above circuit is written as: Vss+Ri+vD=0. I really don't understand why all the signs are positive. I would go around the loop and write Vss-Ri-Vout=0 or Vss-Ri+vD=0.

Source Link
Jack
  • 694
  • 4
  • 19
  • 39

KVL for a circuit with Zener diode

schematic

simulate this circuit – Schematic created using CircuitLab

In my book the KVL for the above circuit is written as: Vss+Ri+vD=0. I really don't understand why all the signs are positive. I would go around the loop and write Vss-Ri-Vout=0 or Vss-Ri+vD=0.