Electric Circuits Voltage magnification will occur in which of the following case? Both Series resonance None of these Parallel resonance Both Series resonance None of these Parallel resonance ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is RBY. RYB. BRY. YRB. RBY. RYB. BRY. YRB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RLC parallel network R = 2 Ohm, L = 2mH and C = 1μF. Find the value of time constant? 4 μsec 2 msec 4 msec 2 μsec 4 μsec 2 msec 4 msec 2 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 40 Ω and 40 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistor are said to be connected in parallel when both ‘b’ and ‘c’ both carry the same value of current. total current equals the sum of branch currents. both have the same potential difference. both ‘b’ and ‘c’ both carry the same value of current. total current equals the sum of branch currents. both have the same potential difference. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Zero frequency Greater than resonance frequency Less than resonance frequency Equal to resonance frequency Zero frequency Greater than resonance frequency Less than resonance frequency Equal to resonance frequency ANSWER DOWNLOAD EXAMIANS APP