Why current is denot with I ?
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Explain the Heterogenous ?
I’ve heard that in quantum physics a lot of fancy mathematical objects like hilbert spaces are used, and that in particular, measurable quantities are described by self-adjoint operators. Are these things related to what you have just explained? : quantum physics
What is Concave lens ?
Explain planck’s hypothesis? : quantum physics
How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.
Explain what is time?
Tell me why is n-type conductor is neutral?
How does laser printer works?
What are wave fronts?
What is a galvanometer and its use?
What is Force ?
How can you conform that magnetic lines come from a single bar magnet with out any external instruments?