Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 12, Problem 11ST
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QUESTION 6
You read the following waveform on an oscilloscope with the
scale settings of 20 us/div and 1 V/div.
The frequency of the signal is
80 us
40 μ5
25 kHz
O 12.5 Hz
O 12.5 kHz
25 MHz
A double beam oscilloscope displays 2 sine waveforms A and B. The time/cm switch is on 100 µs/em
вз
and the volt/cm switch is on 5 V/cm. The width of each complete cycle is 10 cm for both the
waveforms. The peak height of waveforms A and B are 3 cm and 3.5 cm respectively. The distance
between consecutive crossover ( ta )of waveforms A and B is 0.4 cm.
Determine:
(i) Frequency for waveform A
(ii) Peak to peak voltage for waveform B
(iii) R.M.S voltage for waveform A
(iv) Phase difference
A double beam oscilloscope displays 2 square
waveform G and H. The time/cm switch is on 50
ms/cm and the volt/cm switch on 6 V/cm. The
width of each complete cycle is 7.1 cm for both the
waveform. The Peak to Peak height of waveform G
and H are 5.6 cm and 5.7 cm respectively. The
difference between the two waveforms is 1.
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
Chapter 12 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 12 - In an ac circuit where R=XL, the phase angle is...Ch. 12 - Prob. 2TFQCh. 12 - In an ac series RL circuit, the current and...Ch. 12 - In an ac parallel RL circuit, the inductive...Ch. 12 - In an ac parallel RL circuit, the voltage across...Ch. 12 - The unit siemens is used to measure both...Ch. 12 - Prob. 7TFQCh. 12 - If the power factor of a circuit is 0.5, the...Ch. 12 - Prob. 9TFQCh. 12 - Prob. 10TFQ
Ch. 12 - In a series RL circuit, the resistor voltage Leads...Ch. 12 - Prob. 2STCh. 12 - Prob. 3STCh. 12 - If the frequency is doubled and the resistance is...Ch. 12 - Prob. 5STCh. 12 - Prob. 6STCh. 12 - Prob. 7STCh. 12 - Prob. 8STCh. 12 - Prob. 9STCh. 12 - Prob. 10STCh. 12 - Prob. 11STCh. 12 - Prob. 12STCh. 12 - If a load is purely inductive and the reactive...Ch. 12 - Prob. 14STCh. 12 - Prob. 15STCh. 12 - Determine the cause for each set of symptoms....Ch. 12 - Determine the cause for each set of symptoms....Ch. 12 - Prob. 3TSCCh. 12 - Prob. 4TSCCh. 12 - Prob. 5TSCCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Find the impedance of each circuit in Figure...Ch. 12 - Determine the impedance and phase angle in each...Ch. 12 - In Figure 12-52, determine the impedance at each...Ch. 12 - Determine the values of R and XL in a series RL...Ch. 12 - If the frequency of the source is increased to 1...Ch. 12 - Determine the voltage across the total resistance...Ch. 12 - Find the current for each circuit of Figure 12-50.Ch. 12 - Calculate the total current in each circuit of...Ch. 12 - Determine for the cicutit in Figure 12-53.Ch. 12 - If the inductance in Figure 12-53 is doubled, does...Ch. 12 - Draw the waveforms for Vs,VRandVL in Figure 12-53....Ch. 12 - For the circuit in Figure 12-54, find VRandVL for...Ch. 12 - For the lag circuit in Figure 12-55, determine the...Ch. 12 - Repeat Problem 15 for the lead circuit in Figure...Ch. 12 - What is the impedance for the circuit in Figure...Ch. 12 - Repeat Problem 17 for the following frequencies:...Ch. 12 - At what frequecy does XL equal R in Figure 12-57?Ch. 12 - Find the total current and each branch current in...Ch. 12 - Determine the following quantities in Figure...Ch. 12 - Convert the circuit in Figure 12-60 to an...Ch. 12 - Determine the voltage across each element in...Ch. 12 - Is the circuit in Figure 12-61 predominantly...Ch. 12 - Find the current in each branch and the total...Ch. 12 - In a certain RL circuit, the true power is 100 mW,...Ch. 12 - Determine the true power and the reactive power in...Ch. 12 - What is the power factor in Figure 12-58?Ch. 12 - Determine Ptrue,Pr,Pa, and PF for the circuit in...Ch. 12 - Plot the response curve for the circuit in Figure...Ch. 12 - Using the same procedure as in Problem 30, plot...Ch. 12 - Draw the voltage phasor diagram for each circuit...Ch. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Determine the voltage across the inductors in...Ch. 12 - Is the circuit in Figure 12-64 predominantly...Ch. 12 - Find the total current in Figure 12-64.Ch. 12 - Determine the phase shift and attenuation...Ch. 12 - Design an ideal inductive switching circuit that...Ch. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - Prob. 46PCh. 12 - Prob. 47PCh. 12 - Open file P12-48. Determine if there is a fault...Ch. 12 - Prob. 49P
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- A double beam oscilloscope displays two sine waveforms A and B with peak to peak heights as A14 4 cm and 3 cm respectively. The volt/cm switch is on 5V/cm. The r.m.s. voltage of waveform B isarrow_forwardThe given waveform is O a. Unsymmetrical waveform only O b. Unsymmetrical and alternating waveform O c. Symmetrical waveform only O d. Alternating waveform onlyarrow_forwardIf you apply 4V on pin 5 draw the waveform at each pin 2,3 on the same axis as the dual mode for the oscilloscope ,Comment on the waveform shape.arrow_forward
- QUESTION 8 You read the following waveform on an oscilloscope with the scale settings of 20 m s/div and 1 V/div. The amplitude of the signal is 80 us 40 us 2 V 1 V None of the abovearrow_forwardA 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 5.3 cm for both the waveform. The Peak to Peak height of waveform G and H are 5.5 cm and 5.9 cm respectively. The difference between the two waveforms is 0.9. Determine a) frequency, b) phase difference, (1Mark) c) RMS value of G waveform (1 a) frequency b) phase difference c) RMS value of G waveformarrow_forwardInspect all these signals and select the correct answer. Sine Square Triangle Sawtooth Some of these signals are not periodic Some of these signals are periodic All these signals are not periodic All these signals are periodicarrow_forward
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