Electric Circuits Which of the following has least resistivity? Lead. Mercury. Aluminium. Copper. Lead. Mercury. Aluminium. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be None of these 1 W. 2 W. 0.5 W. None of these 1 W. 2 W. 0.5 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? None of these. Regenerative. Dynamic. Plugging. None of these. Regenerative. Dynamic. Plugging. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a delta network each element has value R. The value of each element in equivalent star network will be R / 6. R / 2. R / 3. R / 4. R / 6. R / 2. R / 3. R / 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Given network is having N nodes and b branches, then number of individual loops are b - N - 1. b - N + 1. N - 1. N. b - N - 1. b - N + 1. N - 1. N. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A current is said to be alternating when it changes in magnitude. none of these. direction. both ‘a’ and ‘b’. magnitude. none of these. direction. both ‘a’ and ‘b’. ANSWER DOWNLOAD EXAMIANS APP
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