Physics Which of the following is a renewable resource of energy? Wind energy All of these Solar energy Hydrogen fuel Wind energy All of these Solar energy Hydrogen fuel ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R 3R/4 5R/4 R/2 2R 3R/4 5R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Transformer Dynamo Rectifier Induction coil Transformer Dynamo Rectifier Induction coil ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? None of these Roentgen Coolidge tube X-ray tube None of these Roentgen Coolidge tube X-ray tube ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's Second law Third law Fourth law First law Second law Third law Fourth law First law ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of light is maximum in ________ Gases Liquids Vacuum Solids Gases Liquids Vacuum Solids ANSWER DOWNLOAD EXAMIANS APP