Electric Circuits In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant? 4 μsec 4 msec 2 μsec 2 msec 4 μsec 4 msec 2 μsec 2 msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of voltage and current. Product of voltage and current at no load. Product of rms voltage and rms current. Product of voltage and current at full load. Product of voltage and current. Product of voltage and current at no load. Product of rms voltage and rms current. Product of voltage and current at full load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases? Z and I. VL and I. VL and VR. VL and Z. Z and I. VL and I. VL and VR. VL and Z. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is 60. 105. 75. 15. 60. 105. 75. 15. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 30sin50πt. 30sin25πt. 42.4sin25πt. 42.4sin50πt. 30sin50πt. 30sin25πt. 42.4sin25πt. 42.4sin50πt. ANSWER DOWNLOAD EXAMIANS APP
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