Alternating Current and Voltage A sawtooth wave has a period of 10 ms. Its frequency is 10 Hz 50 Hz 1,000 Hz 100 Hz 10 Hz 50 Hz 1,000 Hz 100 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is 16 mA 22.6 mA 39.6 mA 45.12 mA 16 mA 22.6 mA 39.6 mA 45.12 mA ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If a sine wave goes through 10 cycles in 20 s, the period is 2 s 4 s 20 s 100 s 2 s 4 s 20 s 100 s ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage A signal with a 400 s period has a frequency of 2,500 Hz 400 Hz 25,000 Hz 250 Hz 2,500 Hz 400 Hz 25,000 Hz 250 Hz 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° None of these 0° 45° 40° None of these 0° 45° ANSWER DOWNLOAD EXAMIANS APP
Alternating Current and Voltage If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor is 26.6 V 2.66 V 4 V 18.8 V 26.6 V 2.66 V 4 V 18.8 V ANSWER DOWNLOAD EXAMIANS APP