Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper increases and germanium decreases. each of them increases. copper decreases and germanium increases. each of them decreases. copper increases and germanium decreases. each of them increases. copper decreases and germanium increases. each of them decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering flux and current flow. reluctance and resistance. mmf and emf. permeance and conductance. flux and current flow. reluctance and resistance. mmf and emf. permeance and conductance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C dv / dt. Cv. (1 / 2) Cv2. C / v. C dv / dt. Cv. (1 / 2) Cv2. C / v. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Disadvantages of constant k type filter none of these. both A and B. characteristic impedance unchanged in pass band. attenuation does not increase rapidly beyond cut off frequency. none of these. both A and B. characteristic impedance unchanged in pass band. attenuation does not increase rapidly beyond cut off frequency. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the SI unit of electric current ? Ohm. None of these Faraday. Ampere. Ohm. None of these Faraday. Ampere. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is/are active element? Voltage source None of these. Both Current source Voltage source None of these. Both Current source ANSWER DOWNLOAD EXAMIANS APP