EASY
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IMPORTANT
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The depletion region of p-n junction has a thickness of the order of

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Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits

EASY
JEE Main/Advance
IMPORTANT
In an n-p-n transistor, the collector current is 10 mA. If 90 % of the electrons emitted reaches the collector, then the emitter current will be about
MEDIUM
JEE Main/Advance
IMPORTANT
lntrinsic semiconductor at absolute zero temperature is a
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JEE Main/Advance
IMPORTANT

Four equal resistors, each of resistance 10 Ω, are connected as shown in the circuit diagram The equivalent resistance between A and B is

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EASY
JEE Main/Advance
IMPORTANT
In a semiconducting material, the mobilities of electrons and holes are μe and μh, respectively. Which of the following is true?
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JEE Main/Advance
IMPORTANT

A full-wave rectifier circuit along with input and output are shown in the figure. The contribution from the diode D2 is (are)

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MEDIUM
JEE Main/Advance
IMPORTANT
In a p-n junction having depletion layer of thickness 10-6 m, the potential difference across it is 0.1 V. The electric field is