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 ε/σ. ω σ/ε. σ/ω ε. σ ω ε. ω ε/σ. 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 For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 5 A. 4 A. 6 A. 10 A. 5 A. 4 A. 6 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Nodal analysis can be applied for neither planar and non planar networks. non planar networks. both planar and non planar networks. planar networks. neither planar and non planar networks. non planar networks. both planar and non planar networks. planar networks. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If L and C both are doubled than damping in above circuit will be doubled as compared to previous one. None of these remains same. halved as compared to previous one. doubled as compared to previous one. None of these remains same. halved as compared to previous one. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Current locus is obtained by which of the following? Varying any one of the circuit element Either of these Varying source frequency None of these Varying any one of the circuit element Either of these Varying source frequency None of these ANSWER DOWNLOAD EXAMIANS APP
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