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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.
What is the currency of Greece?
Which of the following is the currency of Armenia?
What is the capital of Bhutan?
.___________ is the currency of Fiji.
The currency of Japan is:
What is the capital of Madagascar?
What is the currency of the United Kingdom.
Which city was the capital of Pandya dynasty?
What is the capital of France.
Which of the following is the capital of Mauritius?