Plasma is formed in the stars because of very
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_________ is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole.
Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.
Optical fiber works on the principle of -
What is the unit of electric resistance?
Which of the following is false with reference to a photo-voltaic cell?
In which system is the central government weakest?
In the following list of devices, which device is used in datalink layer?
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