Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Semi conductors Dielectrics Superconductors Perfect conductors Semi conductors Dielectrics Superconductors Perfect conductors ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Laser Maser Grazer Eraser Laser Maser Grazer Eraser ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Half Double Four times One–fourth Half Double Four times One–fourth ANSWER DOWNLOAD EXAMIANS APP
Physics Heat stored in water vapour is Relative heat Specific heat Absolute heat Latent heat Relative heat Specific heat Absolute heat Latent heat ANSWER DOWNLOAD EXAMIANS APP
Physics Stress can be defined as ________ quantity. Scalar Phasor Vector Tensor Scalar Phasor Vector Tensor ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because The body is earthed It has high resistance Its feet are good insulators It does not form a closed path for the flow of current The body is earthed It has high resistance Its feet are good insulators It does not form a closed path for the flow of current ANSWER DOWNLOAD EXAMIANS APP
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