Fundamentals of Applied Electromagnetics (7th Edition)
7th Edition
ISBN: 9780133356816
Author: Fawwaz T. Ulaby, Umberto Ravaioli
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 3P
A harmonic wave traveling along a string is generated by an oscillator that completes 180 vibrations per minute. If it is observed that a given crest, or maximum, travels 300 cm in 10 s, what is the wavelength?
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A double beam oscilloscope displays 2 square waveform G and H. The time/cm switch is on
2ms/cm and the volt/cm switch on 4 V/cm. The width of each complete cycle is 6.8 cm for both
the waveform. The Peak to Peak height of waveform G and H are 4.8 cm and 5.3 cm
respectively. The difference between the two waveforms is 0.5. Determine
a) frequency;
b) phase difference,
C) RMS value of G waveform
d) peak value of H waveform
a) frequency
b) phase difference
C) RMS value of G waveform
d)peak value of H waveform
(8)
15
The waveform display on the oscilloscope is shown in the figure: the scales of oscilloscope are
(4 ms/div in horizontal which represent the time and 4 V/div in vertical which
represents the Volt). Referring to the figure The Frequency of the wave is:
t of
volt
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Ti
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-2
-1
2
time
Select one:
a.
60 Hz
b.
250 Hz
C.
50 Hz
d. 125 Hz
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4) Draw an oscilloscope screen on your paper
and draw a square function having 6 V peak to
peak value and 2kHz frequency on it -use value
of volt/div and time/div given below.
volt/div=1V
time/div=100µs
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- What can be the observations regarding frequency in this waveform? What is the frequency in this waveform? Explain how.arrow_forwardDescribe the curve of the oscilloscope in the image given.arrow_forwardIn an oscilloscope, a 20 V sinusoidal signal produces a deflection of 2cm corresponding to a certain setting of vertical gain control. If another voltage produces 7.3 cm deflection for the same setting of the vertical gain control, what is the peak-to-peak and rms value of the voltage?arrow_forward
- The time/div and voltage/div axes of an oscilloscope have been erased. A student connects a 1 kHz, 5 V P-P square wave calibration pulse to channel-1 of the scope and observes the screen to be as shown in the upper trace of the figure. An unknown signal is connected to channel-2 (lower trace) of the scope. If the time/div and V/div on both channels are the same, the amplitude (p - p) and period of the unknown signal are respectivelyarrow_forwardA double beam oscilloscope displays 2 sine waveforms A and B. The time/cm switch is on 150µs/cm and the volt/cm switch on 5 V/cm. The width of each complete cycle is 8 cm for both the waveforms. The height of waveforms A and B are 5 cm and 4 cm respectively. Determine their a) frequency, b) phase difference, and c) peak and d) r.m.s value of voltages. The difference between the two waveforms is 0.7 cm.arrow_forwardIn an oscilloscope, how do you measure the phase shift between two waveforms? Provide illustrations.arrow_forward
- Solve it quickly pleasearrow_forward44. The electric field energy stored in an inductor is mathematically equal to the half of the product of its inductance and the square of the current the inductor. True False 46. The average value of a sine wave when taken over half cycle is always zero True False 47. Tridirectional signal is a type of electrical signal which alternate from a positive direction to a negative direction constantly crossing the zero axis point. True Falsearrow_forwardDraw a sinusoidal waveform with a peak-to-peak voltage of 6 V and a frequency of 1kHz in an oscillogram showing the grid lines of an oscilloscope as shown below. Use 1V/div vertical division and 1ms/div horizontal division.arrow_forward
- Solve it fast plzarrow_forward-) Below are two voltage patterns measured from an oscilloscope. The voltage stage of the CHI probe is 5 V / div, the CH2 probe voltage stage is 10 V / div and the time axis is 2ms / div. According to this information, a) What are the peak to peak and rms voltage values of the voltages in CHI and CH2? b) What is the frequency of the voltages in Hz? c) How many degrees is the phase difference between the two voltages, which voltage is leading?arrow_forwardDO NOT COPY FROM OTHER WEBSITES Q. What is the sine wave equation for the following time and frequency domains?arrow_forward
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