Electric Circuits What is represented by the hypotenuse of impedance triangle? Reactance drop. Impedance drop. Apparent power. Resistance drop. Reactance drop. Impedance drop. Apparent power. Resistance drop. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Less than resonance frequency Equal to resonance frequency Zero frequency Greater than resonance frequency Less than resonance frequency Equal to resonance frequency Zero frequency Greater than resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? RBY. BYR. YBR. RYB. RBY. BYR. YBR. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? None of these. Both (1) and (2). Only (1). Only (2). None of these. Both (1) and (2). Only (1). Only (2). 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 resistance. 1000 Ohms. 500 Ohms. 480 Ohms. 100 Ohms. 1000 Ohms. 500 Ohms. 480 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum current rating for a 10 k Ω, 0.5 W resistor is 0.707 mA. 14.14 mA. 28.28 mA. 7.07 mA. 0.707 mA. 14.14 mA. 28.28 mA. 7.07 mA. ANSWER DOWNLOAD EXAMIANS APP
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