Physics Conversion of sound energy into electrical energy is done by Solar cell Gramophone Microphone Loudspeaker Solar cell Gramophone Microphone Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C 14C C/7 7C C 14C C/7 7C ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 2.87 sec 5.41 sec 4.65 sec 3.44 sec 2.87 sec 5.41 sec 4.65 sec 3.44 sec ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Halo Rainbow Earthshine Mirage Halo Rainbow Earthshine Mirage ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves volatility of oil the diffusion of oil through the wick the liquid state of oil capillary action phenomenon volatility of oil the diffusion of oil through the wick the liquid state of oil capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which conduct electricity at high temperatures offer high resistance to the flow of current offer no resistance to the flow of electricity conduct electricity at low temperature conduct electricity at high temperatures offer high resistance to the flow of current offer no resistance to the flow of electricity conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
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