Question

The given graph represents $V-I$ characteristic for a semiconductor device.

Which of the following statement is correct?

• A. It is $V-I$ characteristic for solar cell where, point $A$ represents open circuit voltage and point $B$ short circuit current.
• B. It is for a solar cell and points $A$ and $B$ represent open circuit voltage and current, respectively.
• C. It is for a photodiode and points $A$ and $B$ represent open circuit voltage and current, respectively.
• D. It is for a LED and points $A$ and $B$ represent open circuit voltage and short circuit current, respectively.

Answer 1

The Correct Option is A

To solve this question, we need to understand the V-I characteristics of different semiconductor devices.

The V-I characteristic graph provided shows certain key features that are common for a solar cell:

• Point A represents the open-circuit voltage. This is the voltage across the terminals when no current flows through the device.
• Point B represents the short-circuit current. This is the current through the device when the voltage across it is zero.

Explanation of Options:

• The first option correctly states that it is a V-I characteristic for a solar cell where point A represents open-circuit voltage and point B represents short-circuit current.
• The second and third options incorrectly classify the device by suggesting different points A and B relationships.
• The fourth option mentions an LED, but a solar cell and LED have different characteristic curves, primarily because LEDs work in the forward-bias region, unlike the given graph.

Thus, the correct answer is: It is V-I characteristic for a solar cell where point A represents open-circuit voltage and point B short-circuit current.