Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 10 Hz. 1 Hz. 1000 Hz. 100 Hz. 10 Hz. 1 Hz. 1000 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 105. 75. 60. 15. 105. 75. 60. 15. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition of reciprocity in Y-parameter representation is Y11 = Y22. Y12 = Y21. Y11 = Y12. Y12 = Y22. Y11 = Y22. Y12 = Y21. Y11 = Y12. Y12 = Y22. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The indication of the state of charge of a battery is best given by colour of electrolyte. level of electrolyte. specific gravity of electrolyte. temperature of electrolyte. colour of electrolyte. level of electrolyte. specific gravity of electrolyte. temperature of electrolyte. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is not a bilateral element? Inductor. Capacitor. Resistor. Diode. Inductor. Capacitor. Resistor. Diode. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be 4R Ω 2R Ω R Ω 8R Ω 4R Ω 2R Ω R Ω 8R Ω ANSWER DOWNLOAD EXAMIANS APP