Electric Circuits An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value? (4 + j3) pu (3 + j4) pu (4 + j2 ) pu (2 + j4) pu (4 + j3) pu (3 + j4) pu (4 + j2 ) pu (2 + j4) pu ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When the battery is being charged, the terminal voltage decreases with increasing temperature. increasing charging rate. none of these. increasing state of charge. increasing temperature. increasing charging rate. none of these. increasing state of charge. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will remains unchanged. decrease. becomes zero. increase. remains unchanged. decrease. becomes zero. increase. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in dielectric. none of above. both of (A) and (B). metal plates. dielectric. none of above. both of (A) and (B). metal plates. 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 msec 4 μsec 2 msec 2 μsec 4 msec 4 μsec 2 msec 2 μsec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by σ ω ε. σ/ω ε. ω σ/ε. ω ε/σ. σ ω ε. σ/ω ε. ω σ/ε. ω ε/σ. ANSWER DOWNLOAD EXAMIANS APP
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