Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? Both (1) and (2). Only (1). Only (2). None of these. Both (1) and (2). Only (1). Only (2). None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.577. 1. 0.5. 0.866. 0.577. 1. 0.5. 0.866. 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 ε/σ. ω σ/ε. σ/ω ε. σ ω ε. ω ε/σ. ω σ/ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoff's second law is based on law of conservation of energy. momentum. mass. charge. energy. momentum. mass. charge. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2) ω1 + ω2 ω1 / ω2 ω1 - ω2 √(ω1² + ω2²) ω1 + ω2 ω1 / ω2 ω1 - ω2 √(ω1² + ω2²) ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 130 400 900 250 130 400 900 250 ANSWER DOWNLOAD EXAMIANS APP
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