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 still f0. f0 / 2. f0 / 4. 2f0. still f0. f0 / 2. f0 / 4. 2f0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be + 5 %. + 8 %. + 6 %. + 7 %. + 5 %. + 8 %. + 6 %. + 7 %. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is 14.14A. 22.4A. 17.3A . 30A. 14.14A. 22.4A. 17.3A . 30A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance? 0.049 H. 0.029. 0.058 H. None of these. 0.049 H. 0.029. 0.058 H. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is triangle. circle. straight line. semi circle. triangle. circle. straight line. semi circle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the figure, the potential difference between points P and Q is 6 V. 10 V. 12 V. - 6 V. 6 V. 10 V. 12 V. - 6 V. ANSWER DOWNLOAD EXAMIANS APP