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 0° 40° 45° None of these 0° 40° 45° None of these ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A square wave has a period of 60 s. The first odd harmonic is 33.33 kHz 500 kHz 50 kHz 5 kHz 33.33 kHz 500 kHz 50 kHz 5 kHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sine wave with a period of 4 ms is changing at a faster rate than a sine wave with a period of 3,000 s 0.0045 s 1.5 ms 2 ms 3,000 s 0.0045 s 1.5 ms 2 ms 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 5.44 V 7.07 V 8 V 54.4 V 5.44 V 7.07 V 8 V 54.4 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is 11 V 4 V 1.6 V 4.6 V 11 V 4 V 1.6 V 4.6 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is 1.65 V 10.60 V 16.54 V 5.93 V 1.65 V 10.60 V 16.54 V 5.93 V ANSWER DOWNLOAD EXAMIANS APP