Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 50 Ohms. 400 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 400 Ohms. 200 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following ABCD parameters is unit less? A and C. A and B. A and D. B and C. A and C. A and B. A and D. B and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 68.3% 63.2% 90% 100% 68.3% 63.2% 90% 100% ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 25 times larger than before. 5 times greater than before. 10 times greater than before. 5 times smaller than before. 25 times larger than before. 5 times greater than before. 10 times greater than before. 5 times smaller than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy required to charge a 10 μF capacitor to 100 V is 10 × 10-9 J. 0.01 J. 0.05 J. 5 × 10-9 J. 10 × 10-9 J. 0.01 J. 0.05 J. 5 × 10-9 J. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the real power in AC operation? None of these. VIcosφ. Apperant power × cosφ. Both option A and B. None of these. VIcosφ. Apperant power × cosφ. Both option A and B. ANSWER DOWNLOAD EXAMIANS APP