Physics Sound waves in air are electromagnetic longitudinal polarised transverse electromagnetic longitudinal polarised transverse ANSWER DOWNLOAD EXAMIANS APP
Physics What is the full form of "RADAR" ? Radio Detect and Rangs Radio Device and Ranging Radio Detecting and Ranging Region Device and Ranging Radio Detect and Rangs Radio Device and Ranging Radio Detecting and Ranging Region Device and Ranging ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Heliostats Thermocouple Photodiode Photovoltaic cell Heliostats Thermocouple Photodiode Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
Physics Unit of impedance is ________ Ohm Henry Hertz Tesla Ohm Henry Hertz Tesla ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is cheaper than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is cheaper than iron Copper is lighter than iron ANSWER DOWNLOAD EXAMIANS APP
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