Electric Circuits Which of following materials has the least resistivity ? Zinc. Copper. Mercury. Lead. Zinc. Copper. Mercury. Lead. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage induced in an inductor is represented as, product of its inductance and current through it. ratio of its inductance to current through it. product of its inductance and rate of change of current through it. ratio of current through it to its inductance. product of its inductance and current through it. ratio of its inductance to current through it. product of its inductance and rate of change of current through it. ratio of current through it to its inductance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 25 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? dielectric losses increases. open circuit. dielectric losses decreases. short circuit. dielectric losses increases. open circuit. dielectric losses decreases. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Among the options which metal has the highest electrical conductivity? Stranded aluminium. Steel. Aluminium. Copper. Stranded aluminium. Steel. Aluminium. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant of RL series circuit is 2RC 2L/R RC L/R 2RC 2L/R RC L/R ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS