AP EAPCET 2024 - 21th May Morning Shift | Semiconductor Devices and Logic Gates Question 9 | Physics

In a common emitter amplifier, AC current gains 40 and input resistance is $2 \mathrm{k} \Omega$. The load resistance is given as $10 \mathrm{k} \Omega$. Then, the voltage gain is

125

178

200

AP EAPCET 2024 - 20th May Evening Shift

MCQ (Single Correct Answer)

-0

The voltage gain and current gain of a transistor amplifier in common emitter configuration are respectively 150 and 50 . If the resistance in the base circuit is $850 \Omega$, then the resistance in collector circuit is

$1700 \Omega$

$2250 \Omega$

$2550 \Omega$

$3000 \Omega$

AP EAPCET 2024 - 20th May Evening Shift

MCQ (Single Correct Answer)

-0

If the energy gap of a substance is 5.4 eV , then the substance is

insulator

conductor

p-type semiconductor

$n$-type semiconductor

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