Physics - Semiconductors Question with Solution | TestHub

PhysicsSemiconductorsPN junctionMedium2 minPYQ_2010
PhysicsMediumsingle choice

LED is a junction diode which is

Options:

Answer:
A
Solution:

When a junction diode is forward biased, energy is released at the junction due to recombination of electrons and holes. In the junction diode made of gallium arsenide or indium phosphide, the energy is released in visible region. Such a junction diode is called a light emitting diode or LED.

Stream:MHT_CETSubject:PhysicsTopic:SemiconductorsSubtopic:PN junction
⏱ 2mℹ️ Source: PYQ_2010

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