Explain the difference between intrinsic and extrinsic semiconductors?
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A coil of wire that produces a magnetic field is typically called a
What is optical medium?
When a water pump falls to draw water, a bucket of water poured into it sets it working. Why ?
With the formula Frequency=(np)/120 were does the 120 come from I realize it to be a constant but how was it determined
State Laws Of Conservation Of Energy?
does plane mirror produce real image?how?
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Why is it important not to expose a patient to x-rays for too long?
Explain what instrument is used to measure volume?
In which medium the velocity of sound is large?
in one optical instrument, what is the effect of usingtwo converging lenses?
Why are cloudy nights usually warmer than clear ones?