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 1 W. None of these 2 W. 0.5 W. 1 W. None of these 2 W. 0.5 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire of resistance R has it length and cross - section both doubled. Its resistance will become 4R. 2R. 0.5R. R. 4R. 2R. 0.5R. R. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 42.4sin25πt. 42.4sin50πt. 30sin50πt. 30sin25πt. 42.4sin25πt. 42.4sin50πt. 30sin50πt. 30sin25πt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, zero infinite, infinite zero, infinite infinite, zero zero, zero infinite, infinite zero, infinite infinite, zero 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. maximum power. zero watt. 100 watt. a few watt. maximum power. zero watt. 100 watt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing 0 mH. 20 mH. 10 mH. 5 mH. 0 mH. 20 mH. 10 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
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