Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages ANSWER DOWNLOAD EXAMIANS APP
Physics The sparkling of a diamond is due to Total internal reflection of light Polarisation of light Interference of light Refraction of light Total internal reflection of light Polarisation of light Interference of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics In AC circuits, AC meters measure Mean values Mean square values Peak values Rms values Mean values Mean square values Peak values Rms values ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Fusion reaction Fission reaction Photo-Chemical reaction Chemical reaction Fusion reaction Fission reaction Photo-Chemical reaction Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Physics At the Curie temperature, the ferromagnetic materials get converted into None of the others Paramagnetic materials Diamagnetic materials Non-magnetic materials None of the others Paramagnetic materials Diamagnetic materials Non-magnetic materials ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Chemical energy Potential energy Heat energy Electrical energy Chemical energy Potential energy Heat energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
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