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.
On addition of HCl in milk, if the color changes to red, it indicates the milk is adulterated with_____Â
What challenges do Agribusinesses face in adopting precision agriculture technologies?
Ripening in sugarcane is enhanced by spraying _________ .
The part of the wing which is triangular in shape and has the humeral, apical, and anal angles is known as
Subsidy for green house is given under ___
Pomology is related to study ofÂ
A farmer harvested a crop with a total biomass of 800 kg, and the grain yield from the crop was 400 kg. Calculate the harvest index of the crop.
Adventitious embryony occurs in:
Which type of groundnut is Arachis hypogea var. fastigiata?
Laterization is prominent in which climate?
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