Electric Circuits The internal resistance of a dry cell is of the order of 1 to 15 Ohm. 2 to 5 Ohm. 0.2 to 0.4 Ohm. 1 to 1.5 Ohm. 1 to 15 Ohm. 2 to 5 Ohm. 0.2 to 0.4 Ohm. 1 to 1.5 Ohm. 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 ω ε/σ. ω σ/ε. σ ω ε. σ/ω ε. ω ε/σ. ω σ/ε. σ ω 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 None of these R > r. R = r. R < r. None of these R > r. R = r. R < r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Consider the following circuit : Switch is closed at t = 0 Find i(0 +) 0. V/R. (V*L) / (R*C) V / {R + (sL + 1 / Cs)}. 0. V/R. (V*L) / (R*C) V / {R + (sL + 1 / Cs)}. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is a few watt. 100 watt. zero watt. maximum power. a few watt. 100 watt. zero watt. maximum power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VL and VR. VL and Z. Z and I. VR and I. VL and VR. VL and Z. Z and I. VR and I. ANSWER DOWNLOAD EXAMIANS APP
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