Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 10.54 µF. 1.8 µF. 4.78 µF. 8.51 µF. 10.54 µF. 1.8 µF. 4.78 µF. 8.51 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the dielectric of a capacitor is replaced by conducting material the capacitor will get heated up due to eddy currents. the plate will get short circuited. the capacitor can store infinite charge. the capacitance value of the plate will decrease. the capacitor will get heated up due to eddy currents. the plate will get short circuited. the capacitor can store infinite charge. the capacitance value of the plate will decrease. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure, the potential difference between points P and Q is 6 V. - 6 V. 12 V. 10 V. 6 V. - 6 V. 12 V. 10 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the resistance if 10 resistors of 10 ohm each are connected in series? 10 Ω. 1 Ω. 0.1 Ω. 100 Ω. 10 Ω. 1 Ω. 0.1 Ω. 100 Ω. 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. 105. 60. 75. 15. 105. 60. 75. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 2:3:6. 6:3:2. 2:4:6. 6:4:2. 2:3:6. 6:3:2. 2:4:6. 6:4:2. ANSWER DOWNLOAD EXAMIANS APP
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