Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency None of these The longer the period of a waveform, the lower its frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? None of these 180 A 0.5A 7200 A 0.083333333333333 None of these 180 A 0.5A 7200 A 0.083333333333333 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 70.7% of the peak value from zero to its peak value from 10% of the peak value to 90% of the peak value from zero to its rms value None of these from 10% of the peak value to 70.7% of the peak value from zero to its peak value from 10% of the peak value to 90% of the peak value from zero to its rms value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons None of these Thermal energy Doping Free electrons Valence electrons None of these Thermal energy Doping Free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = IE P = I2R I = P/E P = E2/R None of these P = IE P = I2R I = P/E P = E2/R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? None of these Voltmeter Wattmeter Ohmmeter Ammeter None of these Voltmeter Wattmeter Ohmmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS