is there any device to convert to mechanical energy into electrical energy

3 Answers  

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Write two characteristics of Science.

0 Answers   Mahatma Gandhi University,

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The two elements that are frequently used for making transistors are 1 Boron and aluminium 2 Silicon and germanium 3 Iridium and tungsten 4 Niobium and columbium

2 Answers  

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What is the Protoplasm ?

1 Answers  

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Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

2 Answers   AFMC,

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In a fast breeder reactor, U-238 gets converted to 1 U-235 2 U-237 3 Co-60 4 Plutonium-239

1 Answers  

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The rate of chemical reaction does not depend upon 1 Concentration 2 Catalyst 3 Temperature 4 Pressure

1 Answers  

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What is the capacity of arihant’s atomic reactor?

0 Answers  

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Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these

3 Answers  

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The country helped in arihant’s built?

0 Answers  

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Which unit is used to measure sound frequency?

4 Answers  

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What is the Ecology ?

1 Answers  

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