A transistor is used in common emitter mode as an amplifier. Then?

The base-emitter junction is forward biased

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The base-emitter junction is reverse biased

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The input signal is connected in series with the voltage applied to the base-emitter junction

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The input signal is connected in series with the voltage applied to bias the base collector junction

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Solution

The correct options are
A The base-emitter junction is forward biased
C The input signal is connected in series with the voltage applied to the base-emitter junction

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Similar questions

Q. A transistor is used in the common emitter mode as an amplifier then:
(A) the base emitter junction is forward baised.
(B) the base emitter junction is reverse baised.
(C) the input signal is connected in series with the voltage applied to bias the base emitter junction.
(D) the input signal is connected in series with the voltage applied to bias the base collector junction.

Q. An

N P N

transistor is used in common emitter configuration as an amplifier with

1 k Ω

load resistance. Signal voltage of

10 mV

is applied across the base-emitter. This produces a

3 mA

change in the collector current and

15 μ A

change in the base current of the amplifier. The input resistance and voltage gain are

In a normal operation of a transistor,
(a) the base−emitter junction is forward-baised
(b) the base−collector junction is forward-baised
(c) the base−emitter junction is reverse-baised
(d) the base−collector junction is reverse-baised.

Q. For transistor action, state which statements are true:
(1) Base, emitter and collector regions should have similar size and doping concentrations.
(2) The base region must be very thin and lightly doped.
(3) The emitter-base junction is forward biased and base-collector junction is reverse biased
(4) Both the emitter-base junction as well as the base-collector junction are forward biased

Q. The emitter base junction of a given transistor is forward biased and its collector base junction is reverse biased. If the base current is increased, then its.

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A transistor is used in common emitter mode as an amplifier. Then?

The correct options are A The base-emitter junction is forward biased C The input signal is connected in series with the voltage applied to the base-emitter junction

The correct options are
A The base-emitter junction is forward biased
C The input signal is connected in series with the voltage applied to the base-emitter junction