Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper decreases and germanium increases. copper increases and germanium decreases. each of them decreases. each of them increases. copper decreases and germanium increases. copper increases and germanium decreases. each of them decreases. each of them increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 125 pF. 500 pF. 250 pF. 1000 pF. 125 pF. 500 pF. 250 pF. 1000 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t} 24.5 W. 1 W. 11 W. 21 W. 24.5 W. 1 W. 11 W. 21 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons? 20. 39. 19. 38. 20. 39. 19. 38. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a pure inductor is connected across the ac source, the average power taken by the inductor is a few watt. 100 watt. zero watt. maximum power. a few watt. 100 watt. zero watt. maximum power. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is 25 W. 100 W. 12.5 W. 50 W. 25 W. 100 W. 12.5 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
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