Electric Circuits A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is 250 √3 V. 250 V. 250 / √3 V. 200 V. 250 √3 V. 250 V. 250 / √3 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is represented by the hypotenuse of impedance triangle? Apparent power. Resistance drop. Impedance drop. Reactance drop. Apparent power. Resistance drop. Impedance drop. Reactance drop. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure the voltage across the 2 Ω resistor is 4 V. 2 V. 1 V. 3 V. 4 V. 2 V. 1 V. 3 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 100 Ohms. 50 Ohms. 400 Ohms. 200 Ohms. 100 Ohms. 50 Ohms. 400 Ohms. 200 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 0.5R. 4R. 2R. R. 0.5R. 4R. 2R. R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 0 Hz. 150 Hz. 100 Hz. 50 Hz. 0 Hz. 150 Hz. 100 Hz. 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
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