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MCQs 1: In the a.c. equivalent circuit of a transistor amplifier, the capacitors are considered ___________________?

Short Open Partially open None of the above
Answer Explanation

MCQs 2: If RC and RL represent the collector resistance and load resistance respectively in a single stage transistor amplifier, then a.c. load is____________________?

RL + RC RC || RL RL – RC RC
Answer Explanation

MCQs 3: The purpose of capacitors in a transistor amplifier is to___________________?

Protect the transistor Cool the transistor Couple or bypass a.c. component Provide biasing
Answer Explanation

MCQs 4: In a CE amplifier, voltage gain =____________________ x RAC/Rin?

α (1 + α) (1+ β) β
Answer Explanation

MCQs 5: If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is_____________________?

165 165 x 104 100 None of the above
Answer Explanation

MCQs 6: In a CE amplifier, the phase difference between voltage across collector load RC and signal voltage is _________________?

180o 270o 90o 0o
Answer Explanation

MCQs 7: In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of _____________________?

RC + RL RC || RL RL RC
Answer Explanation

MCQs 8: When a transistor amplifier is operating, the current in any branch is _______________?

Sum of a.c. and d.c. a.c. only d.c. only difference of a.c. and d.c.
Answer Explanation

MCQs 9: The phase difference between the output and input voltages of a CE amplifier is _____________?

180o 0o 90o 270o
Answer Explanation

MCQs 10: If the collector supply is 10V, then collector cut off voltage under d.c. conditions is _______________?

20 V 5 V 2 V 10 V
Answer Explanation

MCQs 11: The input capacitor in an amplifier is the______________ capacitor?

Coupling Bypass Leakage None of the above
Answer Explanation

MCQs 12: The slope of a.c. load line is ______________ that of d.c. load line?

The same as More than Less than None of the above
Answer Explanation

MCQs 13: When an a.c. signal is applied to an amplifier, ,the operating point moves along_________________?

a.c. load line d.c. load line both d.c. and a.c. load lines none of the above
Answer Explanation

MCQs 14: A single stage transistor amplifier contains______________ and associated circuitry?

Two transistors One transistor Three transistor None of the above
Answer Explanation

MCQs 15: It is generally desired that a transistor should have_____________________ input impedance?

Low Very low High Very high
Answer Explanation

MCQs 16: In the zero signal conditions, a transistor sees _____________ load?

a.s. d.c. both d.c. and a.c. none of the above
Answer Explanation

MCQs 17: The point of intersection of d.c. and a.c. load lines is called________________?

Saturation point Cut off point Operating point None of the above
Answer Explanation

MCQs 18: If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ____________?

20 kΩ 2 kΩ 10 kΩ 5 kΩ
Answer Explanation

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