Electric Circuits Among the options which metal has the highest electrical conductivity? Steel. Aluminium. Stranded aluminium. Copper. Steel. Aluminium. Stranded aluminium. Copper. 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 0.85. 0.4. 10. 1. 0.85. 0.4. 10. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For ideal tank circuit what is the value of dynamic impedance? ∞ None of these Both 0 ∞ None of these Both 0 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Emf induced in a coil rotating in a uniform magnetic field will be maximum when the flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. flux linking with the coil is maximum. rate of cutting flux by coil sides is minimum. rate of change of flux linkage is minimum. rate of change of flux linkage is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following quantities remain the same in all parts of a parallel circuit voltage. current. power. resistance. voltage. current. power. resistance. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be 1 W. 0.5 W. None of these 2 W. 1 W. 0.5 W. None of these 2 W. ANSWER DOWNLOAD EXAMIANS APP