Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? Only (2). Only (1). Both (1) and (2). None of these. Only (2). Only (1). Both (1) and (2). None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 4 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. 4 × 102 joules. 3 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering mmf and emf. permeance and conductance. reluctance and resistance. flux and current flow. mmf and emf. permeance and conductance. reluctance and resistance. flux and current flow. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by All of these changing the distance between the plates only. changing the dielectric medium only. changing the overlapping area of the plates only. All of these changing the distance between the plates only. changing the dielectric medium only. changing the overlapping area of the plates only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The life of a lead acid battery is expected to be 1 year. 6 months. 10 to 15 years. 2 to 5 years. 1 year. 6 months. 10 to 15 years. 2 to 5 years. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is half charged. when capacitor is almost 25% charged. when capacitor is fully charged. initially. when capacitor is half charged. when capacitor is almost 25% charged. when capacitor is fully charged. initially. ANSWER DOWNLOAD EXAMIANS APP
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