Electric Circuits Resistance of which material does not change with change in temperature? Brass. Metal alloys constantan and manganin. Tungsten. Platinum. Brass. Metal alloys constantan and manganin. Tungsten. Platinum. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following has positive temperature coefficient ? Rubber. Gold. Germanium. Paper. Rubber. Gold. Germanium. Paper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem? Superposition theorem. Norton’s theorem. Millman’s theorem. Thevenin’s theorem. Superposition theorem. Norton’s theorem. Millman’s theorem. Thevenin’s theorem. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? None of these. Dynamic. Regenerative. Plugging. None of these. Dynamic. Regenerative. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To reduce hysteresis loss, we use laminated sheets. soft-iron. copper bars. CRGO steel. laminated sheets. soft-iron. copper bars. CRGO steel. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If conductance increases as temperature increases it is called as .......... positive co-efficient. negative co-efficient. both 1 and 2. None of these positive co-efficient. negative co-efficient. both 1 and 2. None of these ANSWER DOWNLOAD EXAMIANS APP
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