Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? None of these 3 W 64 W 122 W 6 W None of these 3 W 64 W 122 W 6 W 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 The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value from zero to its rms value from zero to its peak value None of these 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 from zero to its rms value from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the number of cycles completed in one second the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely inductive circuit? None of these Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow None of these Inductive reactance provides the only opposition to current flow Resistances provide the only opposition to current flow The ac voltage lags the current by 90 degree Combinations of resistance and inductive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good insulator a good conductor a good conductor of magnetic fields None of these a poor conductor of electrostatic fields a good insulator a good conductor a good conductor of magnetic fields None of these a poor conductor of electrostatic fields ANSWER DOWNLOAD EXAMIANS APP