You want to magnetize a metal. How would you do that?
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Why dies the earth move round the sun, and the moon round the earth ?
For two objects separated by a distance d, if the mass of one of the objects is doubled, what will happen to the gravitational attraction between them?
Why does a tilted gyroscope not fall?
What is Potential Energy ?
Define Self-Luminous body ?
Explain why does sun appear flat during sunrise and sunset?
Why is it easier to swim in sea water than in the river water?
Explain the Liquids ?
Explain about Anemometer?
What is a crest?
Explain the Sound ?
I want to prepare a frequency generator. the specifications i.e. output requirements are 12V, 1-10A & frequency upto 1K to 5K. Please, inform me with proper circuit dig. & the component values.