AP ECET ELECTRONICS AND COMMUNICATION ENGINEERING (ECE) Multiple Choice Questions (MCQs)

A) It allows current to flow only in one direction.

B) It operates in reverse breakdown region. (Answer)

C) It can be used for power amplification.

D) It can rectify alternating current.

A) Signal modulation

B) Voltage regulation

C) Frequency modulation

D) Rectification (Answer)

A) RC filter

B) LC filter

C) CLC filter (Answer)

D) Crystal filter

A) Common Base (CB)

B) Common Collector (CC)

C) Common Emitter (CE) (Answer)

D) Common Gate (CG)

A) RC coupled amplifier

B) Transformer coupled amplifier

C) Differential amplifier

D) Power amplifier (Answer)

A) Positive feedback

B) Negative feedback (Answer)

C) Both positive and negative feedback

D) No feedback

A) Common Base (CB)

B) Common Collector (CC)

C) Common Emitter (CE) (Answer)

D) Common Gate (CG)

A) Rectifiers

B) Transistor amplifiers

C) Series and Shunt regulators (Answer)

D) LC filters

A) RC Oscillator (Answer)

B) Crystal Oscillator

C) LC Oscillator

D) Hartley Oscillator

A) Provide a stable output for noisy inputs (Answer)

B) Generate square wave signals

C) Act as a voltage regulator

D) Modulate the frequency of a signal

A) They have a high input impedance and low output impedance. (Answer)

B) They have a low input impedance and high output impedance.

C) They have a high input impedance and high output impedance.

D) They have a low input impedance and low output impedance.

A) Frequency modulation

B) Timing and pulse generation (Answer)

C) Amplification

D) Signal filtering

A) Number of outputs

B) Time period of oscillation

C) Number of states (Answer)

D) Type of feedback used

A) Signal amplification

B) Voltage regulation

C) Comparing two signals (Answer)

D) Signal modulation

A) To provide voltage amplification (Answer)

B) To reduce distortion

C) To increase the input impedance

D) To provide frequency modulation