Electric Circuits In RL series circuit R=2Ω and L=2mH. What is the value of time constant? 4msec 1msec 100sec 2msec 4msec 1msec 100sec 2msec ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Dynamic. Regenerative. Plugging. None of these. Dynamic. Regenerative. Plugging. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is invariably seen in an electroplating plant? Rectifier. Carbon brushes. Barrel. Distilled water. Rectifier. Carbon brushes. Barrel. Distilled water. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms with fewer than 4 valence electrons are none of these. insulator. conductor. semi-conductor. none of these. insulator. conductor. semi-conductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is halved. remain same. doubled. increase by two times. halved. remain same. doubled. increase by two times. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 0.5R. R. 4R. 2R. 0.5R. R. 4R. 2R. ANSWER DOWNLOAD EXAMIANS APP