MCQs in Modulation Part XV - Answers

Answers key for the Compiled MCQs in Modulation Part 15 of the series as one topic in Electronic System and Technologies (Communications Engineering) in the ECE Board Exam.

Answers in Modulation - MCQs Part XV

Below are the answers key for the Multiple Choice Questions in Modulation - MCQs Part 15.

701. frequency deviators

702. 10 kHz

703. it is relatively free of spurious frequencies

704. PM modulator

705. is not rejected by the IF tuned circuits

706. PM demodulator

707. FM modulator

708. 48 kHz

709. FM demodulator

710. blocking

711. the padder capacitor

712. J.R. Carson

713. 72 percent

714. to allow adequate frequency coverage without switching

715. lower complexity and cost

716. narrowband FM

717. quasi-stationary

718. it is unaffected by AGC derived from a nearby transmission

719. J.R. Carson

720. single-sideband, full carrier

721. excessive use of spectrum space

722. Carson's rule

723. deviation ratio

724. limiter

725. capture effect

726. adjacent channel interference

727. high-pass filter

728. class C

729. high frequencies

730. low-pass filter

731. different

732. integrator

733. high frequencies

734. crystal oscillators are inherently stable and therefore more difficult for them to achieve high phase deviations and modulation indices

735. any of these

736. heterodyning

737. high-pass filter

738. low-pass filter

739. AFC

740. frequency discriminator

741. capture effect

742. 48 kHz

743. 2.122 kHz

744. less noise

745. preselector

746. IF amplifier

747. varactor diode

748. dielectric

749. discriminator

750. limiter

Online Questions and Answers Series

Following is the list of practice exam test questions in this brand new series:

Modulation MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 15: MCQs from Number 701 – 750                 Answer key: PART XV

Complete List of MCQs in Communications Engineering per topic


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