using the superposition theorem, calculate the (a) current thru the 20L0o V source (b) current thru the 5kΩ resistor if only the current source is active, and (c) current through the xk-Ω resistor if only the voltage source is active. Let  x=2 y=2 z=9

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Norton Theorem

In the current circuit law, the Norton theorem (also known as the Mayer-Norton theorem) is a simplification that can be applied to networks generated by a constant line of opposition, power sources, and current assets. In two network terminals, it can be switched on with a current supply and single resistor respectively.