Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is doubled. increase by two times. halved. remain same. doubled. increase by two times. halved. remain same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in none of these. direction. magnitude. both ‘a’ and ‘b’. none of these. direction. magnitude. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Reciprocity condition for h parameters is h12 = - h21. h12 = h21. h11h22 - h21h12 = 0. h12 = h21. h12 = - h21. h12 = h21. h11h22 - h21h12 = 0. h12 = h21. 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 A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance. 2.25 µF. 1.58 µF. 6.37 µF. 0.47 µF. 2.25 µF. 1.58 µF. 6.37 µF. 0.47 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure the voltage across the 2 Ω resistor is 2 V. 1 V. 3 V. 4 V. 2 V. 1 V. 3 V. 4 V. ANSWER DOWNLOAD EXAMIANS APP
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