Physics Lightning is produced when Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to The outer metallic body of the appliance Short circuitry of the appliance The filament of the appliance The fuse of the appliance The outer metallic body of the appliance Short circuitry of the appliance The filament of the appliance The fuse of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? –40 273 –273 40 –40 273 –273 40 ANSWER DOWNLOAD EXAMIANS APP
Physics The paramagnetic theory of magnetism applies to Nickel Platinum Iron Mercury Nickel Platinum Iron Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Is also doubled Become 4 times Becomes half Becomes 1/4 th Is also doubled Become 4 times Becomes half Becomes 1/4 th ANSWER DOWNLOAD EXAMIANS APP
Physics A single fixed pulley is used to draw water from a well because Efficiency is 100% Mechanical advantage is high Velocity ratio is low Force is applied in a convenient direction Efficiency is 100% Mechanical advantage is high Velocity ratio is low Force is applied in a convenient direction ANSWER DOWNLOAD EXAMIANS APP
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