Why capacitor is not allow dc ?? What the reason?
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The ore of which of the following metals can be concentrated by hydraulic washing? 1 Tin 2 Sodium 3 Iron 4 Manganese
Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
Photosynthesis is 1 An exothermic process 2 An endothermic process 3 A neutral process 4 A thermostatic process
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose
Which of the following is the basis of modern periodic table? 1 Atomic mass 2 Atomic number 3 Atomic size 4 Atomic volume
Rubber is coagulated from latex by adding 1 Hydrochloric acid 2 Acetic acid 3 Sulphuric acid 4 Carbonic acid
Galvanized iron sheets have a coating of 1 Tin lead 2 Zinc 3 Chromium 4 Lead
What are cosmic rays?
whate is the difference b/w aflatoxions&ocharatoxions
NO OF PLANT IN ONGC
What are comets?