Questions
Which of the following are used to make Red Led’s and infrared Led’s respectively
a
Ga As0.4P0.6 Eg ~1.9eV., GaAs ( Eg ~1.4 eV) respectively
b
Ga As0.4P0.6 Eg ~1.4eV., GaAs ( Eg ~1.9 eV) respectively
c
Ga As0.4P0.6 Eg ~1.8eV., GaAs ( Eg ~1.9 eV) respectively
d
Ga As0.4P0.6 Eg ~2.9eV., GaAs ( Eg ~1.4 eV) respectively
detailed solution
Correct option is A
Ga As0.4P0.6=Gallium arsenide phosphide,Ga As=Gallium arsenideTalk to our academic expert!
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Which of the following will NOT be observed when a multimeter (operating in resistance measuring mode) probes connected across a component, are just reversed ?
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