Electric Circuits Atoms with fewer than 4 valence electrons are semi-conductor. insulator. conductor. none of these. semi-conductor. insulator. conductor. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 60 V. 20 V. 30 V. 50 V. 60 V. 20 V. 30 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance? 1.765 Ω. 0.015 Ω. 63.7 Ω. 135.86 Ω. 1.765 Ω. 0.015 Ω. 63.7 Ω. 135.86 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series resonant circuit impedance is zero. none of these. maximum. minimum. zero. none of these. maximum. minimum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Aluminium is produced from bauxite by oxidation. electrolytic process. froth flotation. rotating. oxidation. electrolytic process. froth flotation. rotating. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ac voltage source v = vo sinωt is connected across a parallel plate capacitor C. If the conductor current is ic and the displacement current is id, then which is true among following relation ic < id. ic = id. ic > id. ic + id = 0. ic < id. ic = id. ic > id. ic + id = 0. ANSWER DOWNLOAD EXAMIANS APP