Electric Circuits In which braking back emf exceeds supply voltage? Dynamic. Plugging. None of these. Regenerative. Dynamic. Plugging. None of these. Regenerative. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them increases. each of them decreases. copper decreases and germanium increases. copper increases and germanium decreases. each of them increases. each of them decreases. copper decreases and germanium increases. copper increases and germanium decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits One atomic mass unit ( amu ) is approximately equal to 1.6 × 10-13 Kg. 1.6 × 10-19 Kg. 1.6 × 10-24 Kg. 1.6 × 10-27 Kg. 1.6 × 10-13 Kg. 1.6 × 10-19 Kg. 1.6 × 10-24 Kg. 1.6 × 10-27 Kg. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 100 W, 200 V lamp is 200 Ω. 400 Ω. 800 Ω. 1600 Ω. 200 Ω. 400 Ω. 800 Ω. 1600 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance n2R. n2 / R. R / n2. nR . n2R. n2 / R. R / n2. nR . ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The ratio of intensity of magnetisation to the magnetising force is known as flux density. susceptibility. relative permeability. none of above. flux density. susceptibility. relative permeability. none of above. ANSWER DOWNLOAD EXAMIANS APP