Physics A transformer works on the principle of Mutual induction Self induction Inverter Generator Mutual induction Self induction Inverter Generator ANSWER DOWNLOAD EXAMIANS APP
Physics In nuclear reactor, heavy water is used as Coolant Atomic smasher Fuel Moderator Coolant Atomic smasher Fuel Moderator ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve > Vp Cannot be determined Ve < Vp Ve = Vp Ve > Vp Cannot be determined Ve < Vp Ve = Vp ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 seconds 42 seconds 4.2 years 42 years 4.2 seconds 42 seconds 4.2 years 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat The heat of the bulb scorches the glass at the top Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there Glass undergoes a change due to the heat ANSWER DOWNLOAD EXAMIANS APP
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