Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? None of these 50 Ohm or more 100 Ohm 6 Ohm 5 Ohm None of these 50 Ohm or more 100 Ohm 6 Ohm 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 20 Ohm 30 Ohm None of these 10 Ohm 100 Ohm 20 Ohm 30 Ohm None of these 10 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these A paramagnetic material A diamagnetic material None of these A feiTomagnetic material All of these A paramagnetic material A diamagnetic material None of these A feiTomagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a natural magnet an artificial magnet None of these a temporary magnet a paramagnetic alloy a natural magnet an artificial magnet None of these a temporary magnet a paramagnetic alloy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? Combinations of resistance and inductive reactance provide any opposition to current flow None of these The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow Combinations of resistance and inductive reactance provide any opposition to current flow None of these The ac voltage lags the current by 90 degree Resistances provide the only opposition to current flow Inductive reactance provides the only opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value None of these from zero to its peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value None of these from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
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