1. If an AC voltage has a peak value of 160.5 V, what is the phase angle at which the instantaneous voltage is 110 V? 2. A current sine wave has a peak of 60 mA and a radian frequency of 90 rad/s. Find the instantaneous current at t = 25 ms. 3. An alternating current varying sinusoidally with a frequency of 60 Hz has an rms value of 45 A. Find the instantaneous value 0.0035 seconds after passing through maximum positive value.

Q: Convert the following to an expression with cosine instead of sine. 100 sin(377t +150°) 100 sin(100t…

A:

Q: Find the RMS value of the foll owing waveform, (t) which is an offet Cosine wave. 4V

A: This waveform is a shifted waveform which is shifted toward positive Y axis with 2 units. SO the…

Q: A sawtooth voltage wave increases linearly from 0 to 200 V in the interval from 0 to 2 seconds. At…

A:

Q: 14. A technician uses an oscilloscope to measure the peak value of an AC wave. He tells you that the…

A: Given: A technician uses an oscilloscope to measure the peak value of an AC wave. The peak values…

Q: 1. Which sine wave has a higher frequency? Determine the frequency and the period of both waveforms?…

A: The given sinusoidal waveforms areWe need to determine the frequency and time period of both…

Q: What is the phase relationship between the following waveforms? v = 10 V sin(@t + 60°) i= 2 mA…

A: Phase relationship

Q: 14. A certain sine wave has a pos- itive-going zero crossing at 0° and an rms value of 20 V. Cal-…

A: It is given that: Vrms=20 V