Explain what is the ray of light?
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Which property of sound is affected by change in air temperature?
The Frequency is measured by _________ bridge ?
Does weight affect how far you jump?
Explain the difference between collector & emitter of transistor, even though material used for both same?
I just want to convert the voltage into current i.e. suppose I have 750V & 1A AC power then I want to convert it into 12V & 62A DC power only difficulty is that I don't want to use the tranceformer. Simply to say, I want to make the step-down without using tranceformer. Please, give me some ideas. And also I want the relation between Magnetic Induction & Weight of the body can be levitated. Or I can say, how much of magnetic induction requires to lift 500gms weight? I am heartily thankful to you.
what is Gauge?
Why dies a cyclist and the cycle fall forward, if he applies the brakes suddenly ?
How increasing threshold voltage can affect on current in transistor?
What is the velocity of sound air?
Explain one advantage of a scanning electron microscope over a transmission electron microscope?
What is reflection of light?
The system shown in the figure is in equilibrium. The metal spheres are identical and each has a mass of 2 kg. The surface areas of the pistons are equal and 100 square centimeters each. The density of water is 1 g per cubic centimeter. Assuming that the frictions and masses of the pistons are negligible, what is the mass of G? ( g = 10N/kg )