Principles Of Electric Circuits
10th Edition
ISBN: 9780134879482
Author: Floyd, Thomas L.
Publisher: Pearson,
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Textbook Question
Chapter 2, Problem 3PQ
How many coulombs of charge do 50 × 1031 electrons possess?
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Chapter 2 Solutions
Principles Of Electric Circuits
Ch. 2 - How many coulombs do 93.8 1016 electrons...Ch. 2 - How much energy is required to move 50 C from one...Ch. 2 - If there are 2.0 A of current through the filament...Ch. 2 - A certain resistor has a yellow first band, a...Ch. 2 - A certain resistor has a yellow first band, a...Ch. 2 - What is the resistance indicated by 1K25?Ch. 2 - What is the cross-sectional area of a 0.0015 in....Ch. 2 - Use Table 2-3 to determine the resistance of 100...Ch. 2 - Related Problem In Figure 257 the switch is moved...Ch. 2 - The number of protons in the nucleus is the atomic...
Ch. 2 - The outermost shell of an atom contains the...Ch. 2 - Silicon and germanium are classed as insulators.Ch. 2 - The unit of charge is ampere.Ch. 2 - Like charges repel.Ch. 2 - Coulombs law shows the relationship of the energy...Ch. 2 - A battery stores charge.Ch. 2 - An ideal voltage source can provide a constant...Ch. 2 - A volt can be defined in terms of energy per...Ch. 2 - A fuel cell combines a fuel with an oxidizer to...Ch. 2 - The unit of current is coulomb.Ch. 2 - In a 5-band precision resistor, the fourth band is...Ch. 2 - A resistor with a single black band represents...Ch. 2 - A resistor labeled 0R1 is 1 ohm.Ch. 2 - A rheostat performs the same function as a...Ch. 2 - A strain gauge changes resistance in response to...Ch. 2 - Prob. 17TFQCh. 2 - A circular mil is a unit of area.Ch. 2 - The three basic measurements that can be done by a...Ch. 2 - If a GFCI breaker detects a difference in the hot...Ch. 2 - A neutral atom with an atomic number of three has...Ch. 2 - Electron orbits are called 1. shells 2. nuclei 3....Ch. 2 - Materials in which there is no current when...Ch. 2 - When placed close together, a positively charged...Ch. 2 - The charge on a single electron is 1. 6.25 1018 C...Ch. 2 - Potential difference is another term for 1. energy...Ch. 2 - The unit of energy is the 1. watt 2. coulomb 3....Ch. 2 - Which one of the following is not a type of energy...Ch. 2 - Which one of the following is not a possible...Ch. 2 - Electrical current is defined as 1. the reciprocal...Ch. 2 - There is no current in a circuit when 1. a switch...Ch. 2 - The primary purpose of a resistor is to 1....Ch. 2 - Wire resistance depends on the 1. type of material...Ch. 2 - Potentiometers and rheostats are types of 1....Ch. 2 - The current in a given circuit is not to exceed 22...Ch. 2 - The neutral line in a ac utility should 1. have...Ch. 2 - What is the charge in coulombs of the nucleus of a...Ch. 2 - What is the charge in coulombs of the nucleus of a...Ch. 2 - How many coulombs of charge do 50 1031 electrons...Ch. 2 - How many electrons does it take to make 80 C...Ch. 2 - Determine the voltage in each of the following...Ch. 2 - Five hundred joules of energy are used to move 100...Ch. 2 - What is the voltage of a battery that uses 24 J of...Ch. 2 - How much energy does a 12 V battery use to move...Ch. 2 - If a resistor with a current of 20 mA through it...Ch. 2 - List four common sources of voltage.Ch. 2 - Upon what principle is electrical generators...Ch. 2 - How does and electronic power supply differ from...Ch. 2 - A certain current source provides 100 mA to a 1 k...Ch. 2 - Determine the current in each of the following...Ch. 2 - Six-tenths coulomb passes a point in 3 s. What is...Ch. 2 - How long does it take 10 C to flow past a point if...Ch. 2 - How many coulombs pass a point in 0.1 s when the...Ch. 2 - 5.74 1017 electrons flow through a wire in 250...Ch. 2 - Find the conductance for each of the following...Ch. 2 - Find the resistance corresponding to the following...Ch. 2 - Determine the resistance values and tolerance for...Ch. 2 - Find the minimum and the maximum resistance within...Ch. 2 - Determine the color bands for each of the...Ch. 2 - Determine the resistance and tolerance of each of...Ch. 2 - Determine the resistance and percent tolerance for...Ch. 2 - From the selection of resistors in Figure 267,...Ch. 2 - Determine the color bands for each of the...Ch. 2 - Determine the resistance and tolerance of each of...Ch. 2 - Determine the color bands for each of the...Ch. 2 - The adjustable contact of a linear potentiometer...Ch. 2 - What resistance is indicated by 4K7?Ch. 2 - Determine the resistance and tolerance of each...Ch. 2 - Trace the current path in Figure 268(a) with the...Ch. 2 - With the switch in either position, redraw the...Ch. 2 - There is only one circuit in Figure 268 in which...Ch. 2 - In Figure 268, determine which (if any) circuits...Ch. 2 - In Figure 268, determine which (if any) circuits...Ch. 2 - Through which resistor in Figure 269 is there...Ch. 2 - Devise a switch arrangement whereby two voltage...Ch. 2 - Show how a single switch can be used to connect a...Ch. 2 - Show the placement of an ammeter and a voltmeter...Ch. 2 - Prob. 42PQCh. 2 - In Figure 271, how much voltage does each meter...Ch. 2 - In Figure 271, indicate how to connect an ammeter...Ch. 2 - In Figure 269, show the proper placement of...Ch. 2 - Show the proper placement of voltmeters to measure...Ch. 2 - What is the voltage reading of the meter in Figure...Ch. 2 - How much resistance is the ohmmeter in Figure...Ch. 2 - Determine the resistance indicated by each of the...Ch. 2 - What is the maximum resolution of a 4-digit DMM?Ch. 2 - Indicate how you would connect the multimeter in...
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- DUC 1. In Fig. 12-4, what are the functions of the VR1 and VR2? 2. In Fig. 12-4, what is the function of the VR3? VR₁ 50k C₁ R1 0.1 100k Carrier Input U₁ A741 PWM signal input R41k www Re 1k w C7 ± 10μT R7 100 ww =L H C4 2.2 H W82 Rs 51 3 10 U3 MC1496 C2 R2 U2 A741 22 0.1 100k VR2 50k VR3 100kr 14 C3 10μ 1k 0.1 4 5 6 12 m Re 10k R9 R102 3.9k 3.9k HHI C10 0.1 -0 +12V C11 R 0.02 100k +12 V Demodulated output C R11 R12 A741 0.33 10k 100k -12 V Ca 1μ C12 1500p PRODUC Fig. 12-4 PWM demodulator PRODUCTSarrow_forward10.37 Use mesh analysis to find currents I₁, I2, and I3 in the circuit of Fig. 10.82. ML 120-90° V 120 -30° V Figure 10.82 For Prob. 10.37. N N Z=80-135arrow_forward3. Find the phasor current I。 in the circuit shown below. Be aware of the direction markings. (15 pts) 1052 I 5057 ①520 Amps 2012 j5052arrow_forward
- 10.93 Figure 10.135 shows a Colpitts oscillator. Show that the ed oscillation frequency is 1 fo= 2π √√LCT where CTC₁C2/(C₁ + C₂). Assume R; >>> R₁ + Rf ww Vo L m C₂ C₁ 5 Xci Figure 10.135 A Colpitts oscillator; for Prob. 10.93. (Hint: Set the imaginary part of the impedance in the feedback circuit equal to zero.)arrow_forwardDetermine (a) the average and (b) rms values of the periodiccurrent waveform shown in Fig. P8.3.arrow_forward10.68 Find the Thevenin equivalent at terminals a-b in the circuit of Fig. 10.111. ML 6 sin 10t V 492 Figure 10.111 For Prob. 10.68. 5913 + 410 + -2 F 20 1H Vo obarrow_forward
- 10.79 For the op amp circuit in Fig. 10.122, obtain Vo. 5 cos 10³t V(+ Figure 10.122 For Prob. 10.79. 10 ΚΩ www 20 ΚΩ www 0.1 µF 40 ΚΩ 0.2 μFarrow_forward10.19 Obtain V, in Fig. 10.68 using nodal analysis. # ML ΖΩ j20 m 12/0° V 492 (+ ww www ' < ་ + V -j4 0.2V Figure 10.68 For Prob. 10.19.arrow_forward10.47 Determine i, in the circuit of Fig. 10.92, using the superposition principle. ML 10 sin(t -30°) V 1Ω www Figure 10.92 For Prob. 10.47. 96 F 202 www 24 V +) 2 H m io 2 cos 3t www 42arrow_forward
- 10.53 Use the concept of source transformation to find V, in the circuit of Fig. 10.97. 492 www -j30 j40 m + 20/0° V(+ j20 ΖΩ www -120 V ° Figure 10.97 For Prob. 10.53.arrow_forward2. Given you have a real valued signal with the following single sided baseband signal spectrum: ↑ ❘m(f)| A f=0 500 750 Sketch the frequency domain of |X(f)| given: a. x1(t) =m(t)cos(2**5000*) b. x2(t)=m(t)cos(2**600) Frequency (Hz)arrow_forwardwhat is deference between full Adder and Half?arrow_forward
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