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 ω σ/ε. σ/ω ε. σ ω ε. ω ε/σ. ω σ/ε. σ/ω ε. σ ω ε. ω ε/σ. 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. power factor. impedance. resistance. all of these. power factor. impedance. resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is b - N + 1. N. b - N - 1. N - 1. b - N + 1. N. b - N - 1. N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following defined the average value ? Heating effect Current Charge transfer Voltage Heating effect Current Charge transfer Voltage ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor the electric charge is stored in dielectric. metal plates. none of above. both of (A) and (B). dielectric. metal plates. none of above. both of (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 88 V. 100 V. 63.6 V. 70.7 V. 88 V. 100 V. 63.6 V. 70.7 V. ANSWER DOWNLOAD EXAMIANS APP