Physics A dynamo is used to convert Electrical energy into mechanical energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into magnetic energy Electrical energy into mechanical energy Magnetic energy into mechanical energy Mechanical energy into electrical energy Electrical energy into magnetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics The component used for tuning a radio is basically a variable Inductor Resisto Transformer Condenser Inductor Resisto Transformer Condenser ANSWER DOWNLOAD EXAMIANS APP
Physics An object covers distance which is directly proportional to the square of the time. Its accelaration is Constant Increasing Zero Decreasing Constant Increasing Zero Decreasing ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has a very high refractive index It has well defined cleavage planes It has a very high transparency It is very hard It has a very high refractive index It has well defined cleavage planes It has a very high transparency It is very hard ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Water Air Steel Vacuum Water Air Steel Vacuum 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 R/2 3R/4 5R/4 2R R/2 3R/4 5R/4 2R ANSWER DOWNLOAD EXAMIANS APP