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Question:

The given graph represents V-I characteristic for a semiconductor device. Which of the following statement is correct?

It is V-I characteristic for solar cell where, point A represents open circuit voltage and point B shortcircuit current.

It is for a photodiode and points A and B represent open circuit voltage and current respectively.

It is for a solar cell and points A and B represent open circuit voltage and current, respectively.

It is for a LED and points A and B represent open circuit voltage and short circuit current, respectively.

Solution:

The correct option is (c). The graph shows the V-I characteristics of a solar cell. Point A represents the open-circuit voltage (Voc) which is the voltage across the solar cell when no current is flowing (short circuit). Point B represents the short-circuit current (Isc), which is the current that flows when the voltage across the solar cell is zero (open circuit).