Electric Circuits Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them all in parallel. two in parallel and third in series with this combination. two in series and third in parallel across this combination. all in series. all in parallel. two in parallel and third in series with this combination. two in series and third in parallel across this combination. all in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as relative permeability. none of above. susceptibility. flux density. relative permeability. none of above. susceptibility. flux density. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Equal to resonance frequency Greater than resonance frequency Zero frequency Less than resonance frequency Equal to resonance frequency Greater than resonance frequency Zero frequency Less than resonance frequency 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. None of these R < r. R > r. R = r. None of these R < r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? dielectric losses increases. dielectric losses decreases. short circuit. open circuit. dielectric losses increases. dielectric losses decreases. short circuit. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the measured value of a capacitor is 205.3µF and true value is 201.4µF the percentage relative error is 1.89% 25.64% 1.94% 39.00% 1.89% 25.64% 1.94% 39.00% ANSWER DOWNLOAD EXAMIANS APP
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