Multiple Choice
An oscilloscope's seconds/division switch is set on 20 ms/div. If a sine wave measures 4 divisions horizontally, what frequency is being measured?
A) 12.5 Hz
B) 50 Hz
C) 25 Hz
D) More information is needed.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: A sine waveʹs frequency equals the reciprocal
Q8: What is the approximate instantaneous voltage at
Q9: Superimposing an AC voltage of 3.54 Vrms
Q12: While troubleshooting a circuit the voltage seems
Q14: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3685/.jpg" alt=" -Which of
Q15: A sine waveʹs peak value is smaller
Q16: Tradionally, radio frequency signal generators operate in
Q17: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3685/.jpg" alt=" -Calculate IT in
Q42: The term RMS stands for ʺroot-mean-square.ʺ
Q55: Current flows both ways simultaneously in an