Concept of Diode biasing

Question

Which one of the diodes is reverse biased:

(a)

(b)

(c)

(d)

Solution

When the positive terminal (higher voltage) of the battery is

connected to n-type material and the negative terminal (lower

voltage) of the battery is connected to p-type material, such a

connection is called reverse bias.

According to the definition, option (d) is correct.

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