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 8 V 7.07 V 54.4 V 5.44 V 8 V 7.07 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 12 kHz 18 kHz 25 kHz 1.3 MHz 12 kHz 18 kHz 25 kHz 1.3 MHz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A 20 kHz pulse waveform consists of pulses that are 15 s wide. The duty cycle is 30% is 100% cannot be determined is 1% is 30% is 100% cannot be determined is 1% 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 40° 0° None of these 45° 40° 0° None of these 45° ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A phasor represents the width of a quantity the magnitude of a quantity the magnitude and a quantity direction the phase angle the width of a quantity the magnitude of a quantity the magnitude and a quantity direction the phase angle ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 100 s 2 s 20 s 4 s 100 s 2 s 20 s 4 s ANSWER DOWNLOAD EXAMIANS APP
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