Physics Which best describes how air moves during convection? Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appears to move from east to west because The background of the stars moves from west to east The earth rotates from west to east The earth rotates from east to west All stars move from east to west The background of the stars moves from west to east The earth rotates from west to east The earth rotates from east to west All stars move from east to west ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Cathode ray oscilloscope P – n junction diode Sonometer Spectrometer Cathode ray oscilloscope P – n junction diode Sonometer Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Proton carry a Variable Charge Neutral Charge Negative Charge Positive Charge Variable Charge Neutral Charge Negative Charge Positive Charge ANSWER DOWNLOAD EXAMIANS APP
Physics In ________ motion of a body its velocity varies with time. Linear Equilibrium Uniform Non-uniform Linear Equilibrium Uniform Non-uniform ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be 2p/ 3 P/3 3P P 2p/ 3 P/3 3P P ANSWER DOWNLOAD EXAMIANS APP
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