Electric Circuits The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it? 2 V. 1 V. None of these. 0.5 V. 2 V. 1 V. None of these. 0.5 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V. 360 450 250 200 360 450 250 200 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them decreases. each of them increases. copper decreases and germanium increases. copper increases and germanium decreases. each of them decreases. each of them increases. copper decreases and germanium increases. copper increases and germanium decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Aluminium is produced from bauxite by froth flotation. rotating. oxidation. electrolytic process. froth flotation. rotating. oxidation. electrolytic process. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following characteristics is/are attributed to an ideal independent voltage source? Independent of the magnitude of voltage supplied. Independent of magnitude of current supplied.. both ‘b’ and ‘d’. Independent of the direction of flow of current. Independent of the magnitude of voltage supplied. Independent of magnitude of current supplied.. both ‘b’ and ‘d’. Independent of the direction of flow of current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.577. 1. 0.5. 0.866. 0.577. 1. 0.5. 0.866. ANSWER DOWNLOAD EXAMIANS APP