Alternating Current and Voltage A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of 25 kHz 18 kHz 12 kHz 1.3 MHz 25 kHz 18 kHz 12 kHz 1.3 MHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A signal with a 400 s period has a frequency of 400 Hz 25,000 Hz 2,500 Hz 250 Hz 400 Hz 25,000 Hz 2,500 Hz 250 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage The average half-cycle value of a sine wave with a 40 V peak is 14.14 V 50.96 V 25.48 V 6.37 V 14.14 V 50.96 V 25.48 V 6.37 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is 100% 1% 25% 50% 100% 1% 25% 50% ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is 45° 40° 0° None of these 45° 40° 0° None of these ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If the rms current through a 6.8 k resistor is 8 mA, the rms voltage drop across the resistor is 54.4 V 5.44 V 7.07 V 8 V 54.4 V 5.44 V 7.07 V 8 V ANSWER DOWNLOAD EXAMIANS APP