Electric Circuits To reduce hysteresis loss, we use copper bars. soft-iron. laminated sheets. CRGO steel. copper bars. soft-iron. laminated sheets. CRGO steel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is straight line. triangle. circle. semi circle. straight line. triangle. circle. semi circle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Silver coating is provided for bearing surfaces. protective purpose. decorative purpose. all of above. bearing surfaces. protective purpose. decorative purpose. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Regenerative. Plugging. None of these. Dynamic. Regenerative. Plugging. None of these. Dynamic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre? 1.56. 6.24. 3.12. 0.020. 1.56. 6.24. 3.12. 0.020. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2) ω1 / ω2 ω1 + ω2 ω1 - ω2 √(ω1² + ω2²) ω1 / ω2 ω1 + ω2 ω1 - ω2 √(ω1² + ω2²) ANSWER DOWNLOAD EXAMIANS APP