Electronic Principles Most AC power is obtained from: None of these lightning batteries oscillators generators None of these lightning batteries oscillators generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell chemical cell thermocouple None of these electric device solar cell chemical cell thermocouple None of these electric device 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 None of these from zero to its peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value None of these from zero to its peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency None of these All of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? None of these 10 Ohm 100 Ohm or more 60 Ohm 50 Ohm None of these 10 Ohm 100 Ohm or more 60 Ohm 50 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? Less than 1 Ohm 444 Ohm 628 Ohm None of these 100 Ohm Less than 1 Ohm 444 Ohm 628 Ohm None of these 100 Ohm ANSWER DOWNLOAD EXAMIANS APP