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MCQ in Modulation Part 18 – Answers

MCQ in Modulation Part 18 | ECE Board Exam

Below are the answers key for the Multiple Choice Questions in Modulation Part 18.

851. Modulation

852. The carrier frequency changes.

853. Demodulation

854. Modulator

855. Multiplication

856. The modulation index

857. Information signal is distorted

858. m = 1

859. Envelope

860. Vm > Vc

861. 80.6%

862. Sidebands

863. 876.5 and 883.5 kHz

864. Frequency Domain

865. Carrier

866. 1.6 W

867. 25%

868. 85 W

869. 70%

870. 507 W

871. Sidebands

872. DSB

873. One sideband

874. Less spectrum space is used

875. Depends upon the use

876. 300 Hz to 3 kHz

877. 9 kHz

878. Frequency-shift keying

879. Frequency conversion

880. Convertor

881. 3.2 MHz

882. Pulse code modulation

883. 769.2 W

884. Peak envelope power

885. Independent sideband emission

886.  Analog multiplication

887. Tuned circuit

888. Having the carrier vary a resistance

889. Variable resistance

890. PIN diode

891. Low-level modulation

892. 96 V

893. 12 W

894. Demodulator

895. Diode mixer

896. Balanced modulator

897. Both a and b

898. Lattice Modulator

899. Switches

900. DSB

Questions and Answers in Modulation Series

Following is the list of multiple choice questions in this brand new series:

MCQ in Modulation
PART 1: MCQ from Number 1 – 50                        Answer key: PART 1
PART 2: MCQ from Number 51 – 100                   Answer key: PART 2
PART 3: MCQ from Number 101 – 150                 Answer key: PART 3
PART 4: MCQ from Number 151 – 200                 Answer key: PART 4
PART 5: MCQ from Number 201 – 250                 Answer key: PART 5
PART 6: MCQ from Number 251 – 300                 Answer key: PART 6
PART 7: MCQ from Number 301 – 350                 Answer key: PART 7
PART 8: MCQ from Number 351 – 400                 Answer key: PART 8
PART 9: MCQ from Number 401 – 450                 Answer key: PART 9
PART 10: MCQ from Number 451 – 500                 Answer key: PART 10

Complete List of MCQ in Communications Engineering per topic

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