A microphone converts-
Answer
Correct Answer : b ) sound waves to electrical signals
Explanation :A microphone converts sound waves to electrical signals. Sound waves hit a diaphragm that vibrates and moves a magnet near the coil, hence electric current flows through it. The current flows out from microphone to an amplifier.
Loudspeaker converts electrical signals to sound waves. In Fuel cells, chemical energy is converted to Electrical energy.
Hence, option (B) is correct.
This question was asked in General Ability Paper of NDA (II) 2022 Exam. Check out the question paper and answer key of NDA 2 2022 Exam.
Share QOTD
Popular Blog
Paris Olympics 2024: Brief History of Olympics, Winners at Paris Olympics, Related Facts
Read More
Highlights of Union Budget 2024-25
Read More
Highlights of Interim Budget 2024
Read More
150+ Paryayvachi Shabd in Hindi - पर्यायवाची शब्द
Read MoreLatest Current Affairs
Daily Current Affairs and GK | 24 and 25 November 2024
Read More
Daily Current Affairs and GK | 23 November 2024
Read More
Daily Current Affairs and GK | 22 November 2024
Read More
Daily Current Affairs and GK | 21 November 2024
Read More
Daily Current Affairs and GK | 20 November 2024
Read MoreLatest Banking Awareness
Banking Awareness of 21, 22 and 23 November 2024
Read More
Banking Awareness of 19 and 20 November 2024
Read More
Banking Awareness of 16, 17 and 18 November 2024
Read More
Banking Awareness of 13, 14 and 15 November 2024
Read More
Banking Awareness of 10, 11 and 12 November 2024
Read More
Comments