Question
Which device converts sound waves to electrical
signals?Solution
Microphone: Converts a sound wave into an electrical signal. Loudspeaker: Converts an electrical signal into sound waves. Headphone: Converts electrical energy into mechanical energy to produce sound. Amplifier: • It is used to change the amplitude of a signal. • The purpose of an amplifier is to produce an output signal larger than that of the input signal. • It is used to convert Direct current into Alternate Current.
Bandhan Bank's 'Avni' savings account is specifically designed for which group?
When is the first phase of Bima Sugam, the digital insurance platform, now expected to be rolled out?
 Bandhavgarh National Park, famous for its Royal Bengal Tigers, is located in which Indian state?
Who has been re-appointed as the Solicitor General of India?
Who was appointed the first Surveyor General of India in 1815?
By which of the following act the bicameral system i.e. Lok Sabha and Rajya Sabha was established in the country?
Consider the following statements with respect to ‘The Water (Prevention and Control of Pollution) Act, 1974’:
1.   The Central Pollution...
Which of the following statements is true about Raja Ram Mohan Roy?
Which state government recently announced the launch of the State Sports Awards and Honors Scheme?
In Which district of Uttar Pradesh 'Temple Museum' will be established?
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