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. ω ε/σ. σ/ω ε. σ ω ε. ω σ/ε. ω ε/σ. σ/ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition for a balanced 3 - phase load is that, each phase has the same value of __________________. all of these. resistance. power factor. impedance. all of these. resistance. power factor. impedance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes. 0.494 A. 0.741 A. 1.414 A. 1.57 A. 0.494 A. 0.741 A. 1.414 A. 1.57 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has no units? Moment of a magnet Magnetic susceptibility Permittivity Permeability Moment of a magnet Magnetic susceptibility Permittivity Permeability ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V. 250 450 200 360 250 450 200 360 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current flowing between electrodes inside a lead acid battery is ionization current. polarization current. electron current. proton current. ionization current. polarization current. electron current. proton current. ANSWER DOWNLOAD EXAMIANS APP