Electric Circuits Among the options which metal has the highest electrical conductivity? Stranded aluminium. Steel. Copper. Aluminium. Stranded aluminium. Steel. Copper. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Mica capacitor are characterised by all of following except low leakage reactance. stable operation. accurate value. low losses. low leakage reactance. stable operation. accurate value. low losses. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of unity impulse function at time (t) = 0 is 0. 1. indeterminate. infinite. 0. 1. indeterminate. infinite. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values 10 5 20 15 10 5 20 15 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 4 / 3 Ω. 6 Ω. 3 / 4 Ω. 3 / 2 Ω. 4 / 3 Ω. 6 Ω. 3 / 4 Ω. 3 / 2 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 10. 0.4. 1. 0.85. 10. 0.4. 1. 0.85. ANSWER DOWNLOAD EXAMIANS APP