Electric Circuits What is the value of charge of an electron? 1.6022 × 10-8 Coulomb 1.6022 × 10-27 Coulomb 1.6022 × 10-19 Coulomb 1.6022 × 10-7 Coulomb 1.6022 × 10-8 Coulomb 1.6022 × 10-27 Coulomb 1.6022 × 10-19 Coulomb 1.6022 × 10-7 Coulomb ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is 2f0. still f0. f0 / 4. f0 / 2. 2f0. still f0. f0 / 4. f0 / 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. F εr. 0. εr/F. F. F εr. 0. εr/F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 10. 0.85. 0.4. 1. 10. 0.85. 0.4. 1. ANSWER DOWNLOAD EXAMIANS APP
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? 100 Hz. 1000 Hz. 10 Hz. 1 Hz. 100 Hz. 1000 Hz. 10 Hz. 1 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 15. 60. 75. 105. 15. 60. 75. 105. ANSWER DOWNLOAD EXAMIANS APP