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Eddy Currents

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How to remember which is forward biased and reverse biased in common emmiter , common base is there any trick

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transistor with its base-emitter junction forward biased and collector-base junction reverse biased. Which of the following statements are true?

Q. Assertion :A transistor amplifier in common emitter configuration has a low input impedance. Reason: The base to emitter region is 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.

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. Assertion :A transistor amplifier in common emitter configuration has a low input impedence. Reason: The base of emitter region is forward biased.

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