Electric Circuits In direct arc furnace which of following is of high value? Current. Voltage. All of above. Power factor. Current. Voltage. All of above. Power factor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 5 V. 7 V. 4.123 V. {3 + 2(1.141)} V. 5 V. 7 V. 4.123 V. {3 + 2(1.141)} V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be 4:1. 1:2. 1:1. 1:8. 4:1. 1:2. 1:1. 1:8. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Inductor does not allow the sudden change of current voltage None of these power current voltage None of these power ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit contains two unequal resistor in parallel currents in both are same. voltage drops across both are same. heat losses in both are same. voltage drops are according to their resistive value. currents in both are same. voltage drops across both are same. heat losses in both are same. voltage drops are according to their resistive value. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An electric field line and an equipotential surface are none of above. always perpendicular. inclined at any angle. always parallel. none of above. always perpendicular. inclined at any angle. always parallel. ANSWER DOWNLOAD EXAMIANS APP
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