Question
How does an earphone convert electrical signals into
sound?Solution
Earphones use magnets along with coils to convert electrical energy into sound. The magnets create a magnetic field that causes the earphone diaphragm to vibrate, producing sound waves that we hear.
As of April 26, 2023, how many cumulative enrolments have been achieved under the Pradhan Mantri Jeevan Jyoti Bima Yojana (PMJJBY)?
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Siachen in Himalayas is:
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