Direct and reflected sound waves may interfere with each other.
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Answer: Option B Explanation: PAS use moving coil microphones. |
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Electronics & Communication Engineering :: Electronics and Communication Engineering : More Exercises
- Materials and Components - Section 1
- Networks Analysis and Synthesis - Section 1
- Measurements and Instrumentation - Section 1
- Analog Electronics - Section 1
- Automatic Control Systems - Section 1
- Radio Receivers - Section 1
- Satellite Communication - Section 1
- Signals and Systems - Section 1
- Exam Questions Papers - Exam Paper 1
- Electronic Devices and Circuits - Section 1
- Electromagnetic Field Theory - Section 1
- Power Electronics - Section 1
- Digital Electronics - Section 1
- Communication Systems - Section 1
- Microwave Communication - Section 1
- Microprocessors - Section 1
- Matching Questions - Section 1