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 8 V 54.4 V 7.07 V 5.44 V 8 V 54.4 V 7.07 V 5.44 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 16.54 V 10.60 V 5.93 V 1.65 V 16.54 V 10.60 V 5.93 V 1.65 V 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 2 ms 0.0045 s 1.5 ms 3,000 s 2 ms 0.0045 s 1.5 ms 3,000 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage To produce an 800 Hz sine wave, a four-pole generator must be operated at 200 rps 800 rps 1,600 rps 400 rps 200 rps 800 rps 1,600 rps 400 rps 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 0° 45° 40° None of these 0° 45° 40° None of these ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage When a sine wave has a frequency of 100 Hz in 12 s it goes through 1,200 cycles 120 cycles 12 cycles 1/100 cycle 1,200 cycles 120 cycles 12 cycles 1/100 cycle ANSWER DOWNLOAD EXAMIANS APP