3.5. Non-linear Circuit and Approximation

Try these first

1. 1.

   What does KCL state?

   Hint

   Think about current flow in and out of a junction.

2. 2.

   What is Thevenin's Theorem used for?

   Hint

   Consider what happens when you are analyzing circuits with varying loads.

3. 3.

   What is Kirchhoff's Current Law?

   • Total current in = total current out
   • Total voltage in = total voltage out
   • Both currents are equal

   Hint

   Think about how current moves into and out of a node.

4. 4.

   True or False: KVL can only be applied to DC circuits.

   • True
   • False

   Hint

   Consider the voltage concepts in different types of circuits.

5. 5.

   Design a circuit with KCL and KVL applications, including a voltage source and three loads. Calculate the voltages across each load.

   Hint

   Break the circuit into manageable sections and apply the laws iteratively.

6. 6.

   Given a non-linear circuit with a diode, find the Thevenin equivalent when a load is connected. Provide the necessary calculations.

   Hint

   Remember the cut-in voltage for the diode and apply it in your calculations.