Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 40 2000 80 4000 40 2000 80 4000 ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice Under a mine At the top of a mountain At the sea level Same anywhere Under a mine At the top of a mountain At the sea level Same anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics Anemometer is used to measure Wind speed and time Wind direction Wind velocity Pressure gradient Wind speed and time Wind direction Wind velocity Pressure gradient ANSWER DOWNLOAD EXAMIANS APP
Physics A micron is equal to 0.01 mm 0.001 mm 0.0001 mm 0.1 mm 0.01 mm 0.001 mm 0.0001 mm 0.1 mm ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels at the fastest speed in steel vacuum air water steel vacuum air water ANSWER DOWNLOAD EXAMIANS APP
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