Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 4 s 2 s 100 s 20 s 4 s 2 s 100 s 20 s 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° 0° 40° None of these 45° 0° 40° 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 7.07 V 8 V 5.44 V 54.4 V 7.07 V 8 V 5.44 V 54.4 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 5.93 V 16.54 V 10.60 V 1.65 V 5.93 V 16.54 V 10.60 V ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of 1.3 MHz 18 kHz 25 kHz 12 kHz 1.3 MHz 18 kHz 25 kHz 12 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 1.5 ms 2 ms 3,000 s 0.0045 s 1.5 ms 2 ms 3,000 s 0.0045 s ANSWER DOWNLOAD EXAMIANS APP
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