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 RYB. YRB. BRY. RBY. RYB. YRB. BRY. RBY. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 42.4sin50πt. 30sin50πt. 30sin25πt. 42.4sin25πt. 42.4sin50πt. 30sin50πt. 30sin25πt. 42.4sin25πt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If P is the power of a star connected system then what will be power of an equivalent delta connected system? P P/3 3P None of these P P/3 3P None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits How many 200W / 220V bulbs connected in series across 220V supply will consume 100W? 1. Not possible. 2. 4. 1. Not possible. 2. 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms with fewer than 4 valence electrons are insulator. none of these. semi-conductor. conductor. insulator. none of these. semi-conductor. conductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In RL series circuit R=2Ω and L=10mH and applied voltage is 10V DC. Then find the current in the network? 10A 0A 5A 1A 10A 0A 5A 1A ANSWER DOWNLOAD EXAMIANS APP