Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance nR . n2R. n2 / R. R / n2. nR . n2R. n2 / R. R / n2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 0.85. 10. 0.4. 1. 0.85. 10. 0.4. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the given figure the value of the source voltage is 24 V. 12 V. 30 V. 44 V. 24 V. 12 V. 30 V. 44 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is 50 A. 5 A. zero. 8.85 A. 50 A. 5 A. zero. 8.85 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current magnification will occur in which of the following case? Both None of these Parallel resonance Series resonance Both None of these Parallel resonance Series resonance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In active filter which element is absent? Inductor. Capacitor. Resistor. Both of above. Inductor. Capacitor. Resistor. Both of above. ANSWER DOWNLOAD EXAMIANS APP