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. σ/ω ε. ω σ/ε. ω ε/σ. σ ω ε. σ/ω ε. ω σ/ε. ω ε/σ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is 4C Farad. C Farad. 2C Farad. 16C Farad. 4C Farad. C Farad. 2C Farad. 16C Farad. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistances R1 and R2 give combined resistances 4.5 Ω and 1 Ω when they are connected in series and parallel respectively. What would be the values of these resistances? 6 Ω and 9 Ω. 3 Ω and 6 Ω. 1.5 Ω and 3 Ω. 3 Ω and 9 Ω. 6 Ω and 9 Ω. 3 Ω and 6 Ω. 1.5 Ω and 3 Ω. 3 Ω and 9 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Kirchhoff’s voltage law is used for loop analysis. representing a current source. finding equivalent resistance. nodal analysis. loop analysis. representing a current source. finding equivalent resistance. nodal analysis. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 3 / 2 Ω. 6 Ω. 4 / 3 Ω. 3 / 4 Ω. 3 / 2 Ω. 6 Ω. 4 / 3 Ω. 3 / 4 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Mesh analysis is prefered when loops are------nodes equals to less than greater than any of the above equals to less than greater than any of the above ANSWER DOWNLOAD EXAMIANS APP
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