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. ω σ/ε. σ ω ε. ω ε/σ. σ/ω ε. ω σ/ε. σ ω ε. ω ε/σ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The unit of electric field intensity is F/ m2. N / C. N / Ampere. F / m. F/ m2. N / C. N / Ampere. F / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Active element of electrical circuit is both of them. voltage source. current source. none of above. both of them. voltage source. current source. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 2.56 0.5 1 3.149 2.56 0.5 1 3.149 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is 5.77. 1.92. 4.71. 2.36. 5.77. 1.92. 4.71. 2.36. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values 5 10 20 15 5 10 20 15 ANSWER DOWNLOAD EXAMIANS APP