Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is fully charged. when capacitor is almost 25% charged. when capacitor is half charged. initially. when capacitor is fully charged. when capacitor is almost 25% charged. when capacitor is half charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 30sin25πt. 30sin50πt. 42.4sin50πt. 42.4sin25πt. 30sin25πt. 30sin50πt. 42.4sin50πt. 42.4sin25πt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following is not a vector? Electric field. Angular momentum. Linear momentum. Electric potential. Electric field. Angular momentum. Linear momentum. Electric potential. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which braking back emf exceeds supply voltage? Regenerative. None of these. Plugging. Dynamic. Regenerative. None of these. Plugging. Dynamic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 60 Hz frequency voltage would cause a bulb to turn on and off 80 times per second. 120 times per second. 70 times per second. 60 times per second. 80 times per second. 120 times per second. 70 times per second. 60 times per second. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is 0.05 F 0.02 F 0.5 F 0.2 F 0.05 F 0.02 F 0.5 F 0.2 F ANSWER DOWNLOAD EXAMIANS APP
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