Physics The atmospheric air is held to the Earth by : Winds Rotation of the Earth Clouds Gravity Winds Rotation of the Earth Clouds Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Platinum Nichrome Copper Pure silicon Platinum Nichrome Copper Pure silicon ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following circuit elements is used to ''block" DC in an electronic circuit ? Diode Capacitance Inductance Resistances Diode Capacitance Inductance Resistances ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Sonar Venturimeter Altimeter Radar Sonar Venturimeter Altimeter Radar ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 365 days 24 hours 30 days Changing continuously 365 days 24 hours 30 days Changing continuously ANSWER DOWNLOAD EXAMIANS APP
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