Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When current passes through the filament it heats it up. When the filament reaches a certain temperature it starts to give off light, that's how we get a light bulb. The first successful light bulb filaments were made of carbon (from carbonized paper or bamboo).
“Devine” and “Collego” are two agricultural substances used as
Who is responsible for implementing NPOP in India?
Which of the following is a disadvantage of food processing?
Who among the following has the power to appoint Food Safety Officer having prescribed qualifications?
The old man cactus, is a species of cactus native to Hidalgo and Veracruz in central Mexico. Scientific name of old man Cactus is?
The relationship between two organisms, where both of them benefit from each other is called ____
Which alkaloids isolated from Periwinkle have significance in cancer therapy?
Which insect is commonly known as the "Armyworm," a major pest of wheat?
Under NRLM, a revolving fund of Rs _____ is given to every SHG which follows Panchsutras of regular meetings, savings, internal lending, recoveries, and...
……………… is the apex body in India for research and education pertaining to Agriculture?