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Electronic Devices & Circuits Practice Quiz 3
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Question 1
What capacitance is significant when the diode is forward biased?
Question 2
A diode that is especially designed to operate as a voltage-variable capacitor. It utilizes the junction capacitance of a semiconductor diode.
Question 3
The capacitance of a varactor will when the reverse bias voltage is increased.
Question 4
With increase is reverse bias voltage transition capacitance
Question 5
In a LED light is emitted due to
Question 6
The efficiency of LED is increased when ______.
Question 7
Photo-diode works on the principle of______.
Question 8
The effect obtain when the electric field across a semiconductor is strong enough which causes the free electrons to collide with valence electrons, thereby releasing more electrons and a cumulative multiplication of charge carriers occur.
Question 9
A negative resistance diode commonly used in microwave oscillators and detectors, it is sometimes used as amplifiers. This device is also known as Esaki diode.
Question 10
In a reverse-biased pn junction, the sudden large increase in current that occurs when a particular value of reversed voltage is reached due to ionization by the high intensity electric field in the depletion region. This effect is known as,
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Dec 16ESE & GATE EC