Principles Of Electric Circuits
10th Edition
ISBN: 9780134879482
Author: Floyd, Thomas L.
Publisher: Pearson,
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Textbook Question
Chapter 3, Problem 4RP
If the sense resistor develops 0.8 V across it, what is the current in it?
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From the following mass-spring system, obtain its transfer function and pole-zero
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diagram in MATLAB. Analyze how stability varies when entering values.
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f(t) is the input variable and x(t) is the controlled variable.
R2
L3
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100n
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Figure 9. Square to sine waveform converter circuit
How do we make sense of this? First, we note that R2 and C3 form a first order low pass filter and L3 and C4 form another low pass filter. Both low
pass filters have been set at the same cutoff frequency. The combination of both form a two stage filter to remove the high frequency content
present in the DAB signal. Capacitor C5 is used to remove any residual DC offset in the signal.
But let's just deal with the AC steady state response, which means that you don't need to know any of these details, and then can conveniently treat
this circuit as a blackbox.
What is the theoretical cutoff frequency for the RC and LC filters shown in Figure 9? Answer to within 1% accuracy.
(a) RC Filter cutoff frequency (f 1) =
kHz
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L1=0.7H, L2=5H, C=14F, R=0.60, and w=0.7 rad/s
L1
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Answer:
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Chapter 3 Solutions
Principles Of Electric Circuits
Ch. 3 - If the current drops to 10 mA under the same...Ch. 3 - If the sense resistor develops 0.8 V across it,...Ch. 3 - Calculate the current in Figure 3-71 if R is...Ch. 3 - What is the current in mA produced by 1 kV across...Ch. 3 - How much current is there through a 6.8 M resistor...Ch. 3 - In Figure 3-10, how much voltage is required to...Ch. 3 - lf there are 3.2 A through a 47 resistor, what is...Ch. 3 - If there are 450 A through a 3.9 M resistor, what...Ch. 3 - In the circuit of Figure 3-13, how much resistance...Ch. 3 - If one of the grid wires opens, the current drops...
Ch. 3 - If the resistor is changed in Figure 3-14 so that...Ch. 3 - If the total resistance of a circuit increases and...Ch. 3 - Ohms law for finding resistance is R = I/V.Ch. 3 - When milliamps and kilohms are multiplied...Ch. 3 - If a 10 k resistor is connected to a 10 V source,...Ch. 3 - The current in a fixed resistor is directly...Ch. 3 - Ohms law for finding current is I = V/R.Ch. 3 - When microamps and megohms are multiplied, the...Ch. 3 - When voltage is constant, current is inversely...Ch. 3 - Ohms law for finding voltage is V = I/R.Ch. 3 - When I is plotted as a function of V for a fixed...Ch. 3 - Ohms law states that 1. current equals voltage...Ch. 3 - When the voltage across a resistor is doubled, the...Ch. 3 - When 10 V are applied across a 20 resistor, the...Ch. 3 - When there are 10 mA of current through 1.0 k...Ch. 3 - If 20 V are applied across a resistor and there...Ch. 3 - A current of 250 A through a 4.7 k resistor...Ch. 3 - A resistance of 2.2 M is connected across a 1 kV...Ch. 3 - How much resistance is required to limit the...Ch. 3 - An electric heater draws 2.5 A from a 110 V...Ch. 3 - The current through a flashlight bulb is 20 mA and...Ch. 3 - If the current through a fixed resistor goes from...Ch. 3 - If the voltage across a fixed resistor goes from...Ch. 3 - A variable resistor has 5 V across it. If you...Ch. 3 - If the voltage across a resistor increases from 5...Ch. 3 - If larger voltages are applied and results are...Ch. 3 - If the IV curve for a larger value resistor is...Ch. 3 - If the voltmeter reading changes to 175 V, the...Ch. 3 - If is changed to a larger value and the voltmeter...Ch. 3 - If the resistor is removed from the circuit...Ch. 3 - If the resistor is removed from the circuit...Ch. 3 - If the rheostat is adjusted to increase the...Ch. 3 - If the rheostat is adjusted to increase the...Ch. 3 - If the fuse opens, the voltage across the heating...Ch. 3 - If the source voltage increases, the voltage...Ch. 3 - If the fuse is changed to one with a higher...Ch. 3 - If the lamp burns out (opens), the current a....Ch. 3 - If the lamp burns out, the voltage across it a....Ch. 3 - In a circuit consisting of a voltage source and a...Ch. 3 - State the formula used to find I when the values...Ch. 3 - State the formula used to find V when the values...Ch. 3 - State the formula used to find R when the values...Ch. 3 - A variable voltage source is connected to the...Ch. 3 - In a certain circuit, I = 5 mA when V = 1 V....Ch. 3 - Figure 322 is a graph of current versus voltage...Ch. 3 - Plot the currentvoltage relationship for a...Ch. 3 - Plot the currentvoltage relationship for a...Ch. 3 - Determine the current in each circuit in Figure...Ch. 3 - You are measuring the current in a circuit that is...Ch. 3 - (a) If you wish to increase the amount of current...Ch. 3 - Plot a graph of current versus voltage for voltage...Ch. 3 - Does the graph in Problem 13 indicate a linear...Ch. 3 - Figure 3-24 shows an IV curve for a certain light...Ch. 3 - For the bulb graphed in Figure 3-24, what is the...Ch. 3 - Determine the current in each case: a. V = 5 V, R...Ch. 3 - Determine the current in each case: a. V = 9 V, R...Ch. 3 - Assume 200 mV is across a 330 m current sensing...Ch. 3 - A certain resistor has the following color code:...Ch. 3 - A 4-band resistor is connected across the...Ch. 3 - A 5-band resistor is connected across a 12 V...Ch. 3 - If the voltage in Problem 22 is doubled, will a...Ch. 3 - A certain rear window defroster has a resistance...Ch. 3 - If the voltage of the battery in problem 24 drops...Ch. 3 - The potentiometer connected as a rheostat in...Ch. 3 - A 270 current-limiting resistor has a voltage of...Ch. 3 - A small solar cell is connected to a 27 k...Ch. 3 - Calculate the voltage for each value of I and R:...Ch. 3 - Calculate the voltage for each value of I and R:...Ch. 3 - Three amperes of current are measured through a 27...Ch. 3 - Assign a voltage value to each source in the...Ch. 3 - A 6 V source is connected to a 100 resistor by...Ch. 3 - Calculate the resistance of a rheostat for each...Ch. 3 - Calculate the resistance of a rheostat for each...Ch. 3 - Six volts is applied across a resistor. A current...Ch. 3 - The filament of a lamp in the circuit of Figure...Ch. 3 - A certain electrical device has an unknown...Ch. 3 - By varying the rheostat (variable resistor) in the...Ch. 3 - In the light circuit of Figure 329, identify the...Ch. 3 - Assume you have a 32-light string and one of the...
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