Electric Circuits A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor? 60 V. 50 V. 30 V. 20 V. 60 V. 50 V. 30 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 70 times per second. 120 times per second. 80 times per second. 60 times per second. 70 times per second. 120 times per second. 80 times per second. 60 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 2:3:6. 2:4:6. 6:3:2. 6:4:2. 2:3:6. 2:4:6. 6:3:2. 6:4:2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the rms value in Amperes. 0.494 A. 1.414 A. 0.741 A. 1.57 A. 0.494 A. 1.414 A. 0.741 A. 1.57 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 30sin25πt. 42.4sin50πt. 30sin50πt. 42.4sin25πt. 30sin25πt. 42.4sin50πt. 30sin50πt. 42.4sin25πt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits One atomic mass unit ( amu ) is approximately equal to 1.6 × 10-27 Kg. 1.6 × 10-13 Kg. 1.6 × 10-24 Kg. 1.6 × 10-19 Kg. 1.6 × 10-27 Kg. 1.6 × 10-13 Kg. 1.6 × 10-24 Kg. 1.6 × 10-19 Kg. ANSWER DOWNLOAD EXAMIANS APP