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Consider the following statements : A. The junction area of solar cell is made very narrow compared to a photo diode. B. Solar cells are not connected with any external bias. C. LED is made of lightly doped p - n junction. D. Increase of forward current results in continuous increase of LED light intensity. E. LEDs have to be connected in forward bias for emission of light.

1. B, D, E Only
2. A, C Only
3. A, C, E Only
4. B, E Only

Correct answer: B, E Only

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