Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 4. 2. 0.25. 0.5. 4. 2. 0.25. 0.5. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Cells are connected in parallel in order to increase current capacity. life of the cells. efficiency. voltage rating. current capacity. life of the cells. efficiency. voltage rating. 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 copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. each of them increases. copper increases and germanium decreases. copper decreases and germanium increases. each of them decreases. each of them increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is 111 ± 0 Ω. 111 ± 2.77 Ω. 111 ± 7.23 Ω. 111 ± 5.55 Ω. 111 ± 0 Ω. 111 ± 2.77 Ω. 111 ± 7.23 Ω. 111 ± 5.55 Ω. 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? Millman’s theorem. Thevenin’s theorem. Norton’s theorem. Superposition theorem. Millman’s theorem. Thevenin’s theorem. Norton’s theorem. Superposition theorem. 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 0.5 W. 2 W. 1 W. None of these 0.5 W. 2 W. 1 W. ANSWER DOWNLOAD EXAMIANS APP
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