Electric Circuits Aluminium is produced from bauxite by froth flotation. electrolytic process. oxidation. rotating. froth flotation. electrolytic process. oxidation. rotating. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fillers in a lead acid battery are provided all of above. to recover acid loss through vapours. to facilitate flow of gases. to prevent flow of gases. all of above. to recover acid loss through vapours. to facilitate flow of gases. to prevent flow of gases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R > r. None of these R = r. R < r. R > r. None of these R = r. R < r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the unit of potential difference ? Ohm Watt Volt Ampere Ohm Watt Volt Ampere ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is varying, the shape of the current locus is Triangle Circle Semicircle Straight line Triangle Circle Semicircle Straight line ANSWER DOWNLOAD EXAMIANS APP