Electric Circuits Which of the following materials has highest electrical conductivity ? Silver. Aluminium. Copper. Steel. Silver. Aluminium. Copper. Steel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 130 900 400 250 130 900 400 250 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage? 4V 7V 5V 3V 4V 7V 5V 3V ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is 45o. 30o. 90o. 0o. 45o. 30o. 90o. 0o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 6:3:2. 2:3:6. 2:4:6. 6:4:2. 6:3:2. 2:3:6. 2:4:6. 6:4:2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source 0.5 A in parallel with 50 Ω. none of these. 2 A with 50 Ω in series. 2 A with 50 Ω in parallel. 0.5 A in parallel with 50 Ω. none of these. 2 A with 50 Ω in series. 2 A with 50 Ω in parallel. ANSWER DOWNLOAD EXAMIANS APP