Electric Circuits A current is said to be alternating when it changes in none of these. direction. both ‘a’ and ‘b’. magnitude. none of these. direction. both ‘a’ and ‘b’. magnitude. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure given, the value of R is 12 Ω. 10 Ω. 18 Ω. 24 Ω. 12 Ω. 10 Ω. 18 Ω. 24 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A branch of a network is said to be active when it consists of one capacitor. voltage source. resistor. inductor. capacitor. voltage source. resistor. inductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitance of a parallel plate capacitor can be varied by changing the dielectric medium only. changing the overlapping area of the plates only. changing the distance between the plates only. All of these changing the dielectric medium only. changing the overlapping area of the plates only. changing the distance between the plates only. All of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Super position theorem is not applicable for power calculations. current calculations. None of these voltage calculations. power calculations. current calculations. None of these voltage calculations. 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 increases. each of them decreases. copper decreases and germanium increases. copper increases and germanium decreases. each of them increases. each of them decreases. copper decreases and germanium increases. copper increases and germanium decreases. ANSWER DOWNLOAD EXAMIANS APP