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Question
Physics
Identify the mismatch of the following
Q. Identify the mismatch of the following
2016
242
KEAM
KEAM 2012
Semiconductor Electronics: Materials Devices and Simple Circuits
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A
Photo diode
-
optical signal
4%
B
LED
-
spontaneous emission
8%
C
Diode laser
-
stimulated emission
8%
D
Solar cell
-
electrical energy into light
77%
E
Photo conducting cell -
photo detector
77%
Solution:
Solar cell change light energy into electrical energy.