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1: To plot characteristic of a junction diode.

posted Jul 20, 2011, 2:49 PM by Neil Mathew   [ updated Jul 28, 2011, 6:50 AM ]
It's basically all about connections. After that, turn the knob of the variable voltage source and record potential difference with change in current as seen in ammeter.

Forward Biased:

Reverse Biased:

Photo courtesy of Atul