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 ε/σ. σ ω ε. ω σ/ε. σ/ω ε. ω ε/σ. σ ω ε. ω σ/ε. σ/ω ε. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R < r. R > r. R = r. None of these R < r. R > r. R = r. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 63.6 V. 70.7 V. 88 V. 100 V. 63.6 V. 70.7 V. 88 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The linear circuit element is capacitor. resistor. all of above. inductor. capacitor. resistor. all of above. inductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What will be the resistance if 10 resistors of 10 ohm each are connected in series? 10 Ω. 1 Ω. 0.1 Ω. 100 Ω. 10 Ω. 1 Ω. 0.1 Ω. 100 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The power dissipated in a pure capacitor is both (B) and (C) above. proportional to the value of capacitance. proportional to applied voltage. zero. both (B) and (C) above. proportional to the value of capacitance. proportional to applied voltage. zero. ANSWER DOWNLOAD EXAMIANS APP
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