MCQs in Modulation Part XII - Answers

Answers key for the Compiled MCQs in Modulation Part 12 of the series as one topic in Electronic System and Technologies (Communications Engineering) in the ECE Board Exam.

Answers in Modulation - MCQs Part XII

Below are the answers key for the Multiple Choice Questions in Modulation - MCQs Part 12.

551. phase shift

552. double spotting

553. RF amplifier

554. low noise amplifier

555. product detector

556. none of these

557. IF amplifiers

558. double-tuned circuit

559. mixer

560. class A

561. mixer

562. mixer

563. AM

564. inductive coupling

565. single sideband, suppressed carrier (J3E)

566. self- inductance

567. 66.66

568. mutual inductance

569. all of the above

570. coefficient coupling

571. loose coupling

572. sidebands

573. tight coupling

574. critical coupling

575. resonant circuit

576. double peaking

577. IF cans

578. second detector

579. first detector

580. local oscillator

581. peak detector

582. shape detector

583. modulation index

584. automatic gain control

585. complex AGC

586. 80.6 percent

587. its use avoids receiver complexity

588. delayed AGC

589. squelch circuit

590. clippers

591. blanking circuit

592. demodulation

593. relatively high IF

594. low IF

595. net receiver gain

596. modulation

597. envelope

598. transmitter circuits must be stable, giving better spectrum

599. There are more balanced modulators, therefore the carrier is suppressed better

600. mechanical

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 12: MCQs from Number 551 – 600                 Answer key: PART XII

Complete List of MCQs in Communications Engineering per topic


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