Electric Circuits Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A. 3.149 2.56 1 0.5 3.149 2.56 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 5 times smaller than before. 5 times greater than before. 10 times greater than before. 25 times larger than before. 5 times smaller than before. 5 times greater than before. 10 times greater than before. 25 times larger than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Unit step function is first derivative of ramp function. impulse function. gate function. parabolic function. ramp function. impulse function. gate function. parabolic function. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a large resistance is connected in parallel to a small resistance then net resistance will be smaller than the small resistance. smaller than the greater but larger than the smaller resistance. greater than the large resistance. None of these smaller than the small resistance. smaller than the greater but larger than the smaller resistance. greater than the large resistance. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A dependent source can be a voltage source. a current source. neither a voltage nor a current source. both a voltage or a current source. a voltage source. a current source. neither a voltage nor a current source. both a voltage or a current source. 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 3 / 4 Ω. 6 Ω. 4 / 3 Ω. 3 / 2 Ω. 3 / 4 Ω. 6 Ω. 4 / 3 Ω. 3 / 2 Ω. ANSWER DOWNLOAD EXAMIANS APP