Electric Circuits A periodic voltage having the Fourier series V(t)= {1 + 4sinω0t} 1 W. 24.5 W. 11 W. 21 W. 1 W. 24.5 W. 11 W. 21 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is 100 W. 12.5 W. 25 W. 50 W. 100 W. 12.5 W. 25 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric flux is proportional to rate of change of current. resistivity of medium. potential difference between electrodes. rate of change of potential difference. rate of change of current. resistivity of medium. potential difference between electrodes. rate of change of potential difference. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Time constant is the time taken for response to rise -------of maximum value? 63.2% 90% 100% 68.3% 63.2% 90% 100% 68.3% ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 10 Hz. 100 Hz. 1000 Hz. 1 Hz. 10 Hz. 100 Hz. 1000 Hz. 1 Hz. 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 / 4. R / 2. R / 3. R / 6. R / 4. R / 2. R / 3. ANSWER DOWNLOAD EXAMIANS APP
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