Electric Circuits A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest? 10 Hz. 100 Hz. 1 Hz. 1000 Hz. 10 Hz. 100 Hz. 1 Hz. 1000 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current magnification will occur in which of the following case? Parallel resonance Series resonance None of these Both Parallel resonance Series resonance None of these Both ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C dv / dt. (1 / 2) Cv2. C / v. Cv. C dv / dt. (1 / 2) Cv2. C / v. Cv. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in none of above. electric field. magnetic field. both ‘electric field’ and magnetic field’. none of above. electric field. magnetic field. both ‘electric field’ and magnetic field’. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A two port network is defined by the relation The value of Z12 is 2/31. 3/41. 3. -3. 2/31. 3/41. 3. -3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is 2.54 A. 5.08 A. 10.16 A. 1.27 A. 2.54 A. 5.08 A. 10.16 A. 1.27 A. ANSWER DOWNLOAD EXAMIANS APP