Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these The ac voltage leads the current by 90 degree Capacitive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow Combinations of resistance and capacitive reactance provide any opposition to current flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Linear Unipolar Bilateral None of these Nonlinear Linear Unipolar Bilateral None of these Nonlinear ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material None of these A feiTomagnetic material All of these A diamagnetic material A paramagnetic material None of these A feiTomagnetic material All of these A diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases None of these is equal to the sum of the values of resistance, inductive reactance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 1.41 times the peak amplitude the number of cycles completed in one second None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the number of cycles completed in one second None of these the time required to complete one full cycle equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Doping Barrier potential Ions Recombination None of these Doping Barrier potential Ions Recombination None of these ANSWER DOWNLOAD EXAMIANS APP
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