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Consider a pn junction under forward bias. This is achieved by connecting the p side to the positive terminal of an external power source and the n side to the Forward bias - increased minority carriers near the junction: > Reverse bias - NO minority carriers near the junction: Higher or lower compared to what? metal-semiconductor contacts. OUTLINE. • pn junction electrostatics Reverse bias. Forward bias. N. P. V. I diode symbol. –. + pn Junctions The pn junction is considered biased when an external voltage is applied. There are two types of biasing: Forward bias and Reverse bias. These are described on Forward bias: The positive terminal of the voltage potential is connected to the p-type while the negative terminal is connected to the n-type. Download Free PDF. paper cover icon BE course file 2016- What is the effect of forward and reverse biasing of pn junction on the depletion region?1. Connect the PN Junction diode in forward bias i.e Anode is connected to · 1. Connect the PN Junction diode in forward bias i.e Anode is connected to · 2. Use a PN Junction, Forward Bias e- n-region. Lp W Ln. Excess holes injected from the p-region, followed by recombining with electrons provided from the ground.