EBK PRINCIPLES OF ELECTRIC CIRCUITS
10th Edition
ISBN: 9780134880068
Author: Buchla
Publisher: VST
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 4, Problem 19P
An electric heater works on 120 V and draws 3 A of current. How much power does it use?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
53. Obtain an expression for i(t) as labeled in the circuit diagram of Fig. 8.84, and
determine the power being dissipated in the 40 2 resistor at t = 2.5 ms.
t=0
i(t)
30 Ω
w
200 mA 4002
30 m
100 mA(
7.2
At t = 0, the switch in the circuit shown moves
instantaneously from position a to position b.
a) Calculate v, for t≥ 0.
b) What percentage of the initial energy stored
in the inductor is eventually dissipated in
the 4
resistor?
6Ω
a
w
+
10 0.32 H3 403
6.4 A
=0
b
Answer: (a) -8e-10 V, t = 0;
(b) 80%.
At t = 0, the switch closes. Find the IL(t) and VL(t) for t≥ 0 in t and s domain.
Can you help me?
1)
(+.
24V
ง
Anahtar t=0 anında kapatılıyor.
to icin TL(t) ve
bulunuz.
J
3√√√2
ww
مفروم
+
t=0
$6.5 5H VLCH) 2.2
Vilt)
Chapter 4 Solutions
EBK PRINCIPLES OF ELECTRIC CIRCUITS
Ch. 4 - If 100 W of power occurs for 30 s, how much...Ch. 4 - Express the following amounts of power in watts...Ch. 4 - Prob. 3RPCh. 4 - How many kilowatt-hours are used by a 1/2 hp motor...Ch. 4 - Determine P in each circuit of Figure 4-2 for the...Ch. 4 - A 100 W light bulb operates on 120 V. How much...Ch. 4 - Prob. 7RPCh. 4 - A 0.25 W, 1.0 k resistor is connected across a 12...Ch. 4 - How will the total power delivered change if the...Ch. 4 - A power supply has an efficiency of 92%. If PIN is...
Ch. 4 - A certain battery delivers 10 A for 6 h. What is...Ch. 4 - The kilowatt-hour is a unit of power.Ch. 4 - One watt is equal to one joule per second.Ch. 4 - 0.050 W is the same as 50 mW.Ch. 4 - Prob. 4TFQCh. 4 - The kilowatt and the horsepower are both units of...Ch. 4 - The power rating of a resistor should always be...Ch. 4 - The amount of heat that a resistor can dissipate...Ch. 4 - If the voltage across a resistor doubles, the...Ch. 4 - Watts law states that power equals voltage times...Ch. 4 - If the current through a resistor doubles, the...Ch. 4 - Within limits, a regulated power supply can...Ch. 4 - The efficiency of a power supply can be expressed...Ch. 4 - A power supply that has a negative output voltage...Ch. 4 - A battery Ah rating is a guide to the amount of...Ch. 4 - When analyzing a circuit problem, you should...Ch. 4 - Power can be defined as 1. energy 2. heat 3. the...Ch. 4 - Two hundred joules of energy are consumed in 10 s....Ch. 4 - If it takes 300 ms to use 10,000 J of energy, the...Ch. 4 - In 50 kW, there are 1. 500 W 2. 5,000 W 3. 0.5 MW...Ch. 4 - In 0.045 W, there are 1. 45 kW 2. 45 mW 3. 4,500 W...Ch. 4 - For 10 V and 50 mA, the power is 1. 500 mW 2. 0.5W...Ch. 4 - When the current through a 10 k resistor is 10 mA,...Ch. 4 - A 2.2 k resistor dissipates 0.5 W. The current is...Ch. 4 - A 330 resistor dissipates 2 W. The voltage is 1....Ch. 4 - If you used 500 W of power for 24 h, you have used...Ch. 4 - How many watt-hours represent 75 W used for 10 h?...Ch. 4 - A 100 resistor must carry a maximum current of 35...Ch. 4 - The power rating of a resistor that is to handle...Ch. 4 - A 22 half-watt resistor and a 220 half-watt...Ch. 4 - When the needle of an analog ohmmeter indicates...Ch. 4 - A 12 V battery is connected to a 600 load. Under...Ch. 4 - A given power supply is capable of providing 8 A...Ch. 4 - A power supply produces a 0.5 W output with an...Ch. 4 - If the current through a fixed resistor goes from...Ch. 4 - If the voltage across a fixed resistor goes from...Ch. 4 - A variable resistor has 5 V across it. If you...Ch. 4 - If the voltage across a resistor increases from 5...Ch. 4 - If the resistance of a load connected to a battery...Ch. 4 - If the amount of time that a battery supplies...Ch. 4 - If the current that a battery supplies to a load...Ch. 4 - If there is no load connected to a battery, its...Ch. 4 - If the output voltage of a power supply increases,...Ch. 4 - For a constant power supply output voltage, if the...Ch. 4 - For a constant power supply output voltage, if the...Ch. 4 - If the load is removed leaving the power supply...Ch. 4 - Prove that the unit for power (the watt) is...Ch. 4 - Show that there are 3.6 106 joules in a...Ch. 4 - What is the power when energy is consumed at the...Ch. 4 - How many watts are used when 7,500 J of energy are...Ch. 4 - How many watts does 1,000 J in 50 ms equal?Ch. 4 - Convert the following to kilowatts: 1. 1,000 W 2....Ch. 4 - Convert the following to megawatts: 1. 1,000,000 w...Ch. 4 - Convert the following to milliwatts: 1. 1 W 2. 0.4...Ch. 4 - Convert the following to microwatts: 1. 2 W 2....Ch. 4 - Convert the following to watts: 1. 1.5 kW 2. 0.5...Ch. 4 - Prob. 11PCh. 4 - If a 300 W bulb is allowed to burn continuously...Ch. 4 - At the end of a 31-day period, your utility bill...Ch. 4 - Convert 5 106 watt-minutes to kWh.Ch. 4 - Convert 6,700 watt-seconds to kWh.Ch. 4 - For how many seconds must there be 5 A of current...Ch. 4 - If a 75 V source is supplying 2 A to a load, what...Ch. 4 - If a resistor has 5.5 V across it and 3 mA through...Ch. 4 - An electric heater works on 120 V and draws 3 A of...Ch. 4 - What is the power when there are 500 mA of current...Ch. 4 - Calculate the power dissipated by a 10 k resistor...Ch. 4 - If there are 60 V across a 680 resistor, what is...Ch. 4 - A 56 resistor is connected across the terminals...Ch. 4 - If a resistor is to carry 2 A of current and...Ch. 4 - A 12 V source is connected across a 10 resistor....Ch. 4 - The maximum voltage is 1 V and the maximum current...Ch. 4 - A 6.8 k resistor has burned out in a circuit. You...Ch. 4 - A certain type of power resistor comes in the...Ch. 4 - For each circuit in Figure 414, assign the proper...Ch. 4 - A 50 load uses 1 W of power. What is the output...Ch. 4 - Assume that an alkaline D-cell battery can...Ch. 4 - What is the total energy in joules that is...Ch. 4 - A battery can provide an average of 1.5 A of...Ch. 4 - How much average current can be drawn from an 80...Ch. 4 - If a battery is rated at 650 mAh, how much average...Ch. 4 - If the input power is 500 mW and the output power...Ch. 4 - To operate at 85% efficiency, how much output...Ch. 4 - Prob. 39P
Knowledge Booster
Learn more about
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
- "For the network in the figure, determine RE and RB if A₁ Zb = BRE." = -10 and re = 3.8. Assume thatarrow_forward2.a. Simplify and determine Zk+ for: 2.x. 60 [Hz] ⚫ 2.y. 180 [Hz] a.x. 60[Hz] a.y. 180 [Hz] Joo (127 2[H] w 240 [√]arrow_forwardP3. Given the following network, determine: ⚫ 3.a. Equivalent Y ⚫ 3.b. Equivalent A 2 R[2] 10 8 b 20 30 5arrow_forward
- [Electrical Circuits] P1. Using the mesh current method, calculate the magnitude and direction of: 1.a. I and I (mesh currents) 1.b. I10 (test current in R10 = 1082) 1.c. (Calculate the magnitude and signs of V10) 6[A] 12 [√] بي 10 38 20 4A] Iw -800arrow_forwardNeed handwritten solution do not use chatgptarrow_forward[07/01, 16:59] C P: Question: Calculate the following for 100Hz and 500Hz (express all answers in phasor form). Show all work. A) Xc and ZTB) VR1 and VC1 C) IT Handwritten Solution Pleasearrow_forward
- 1. Sketch the root loci of a system with the following characteristic equation: s²+2s+2+K(s+2)=0 2. Sketch the root loci for the following loop transfer function: KG(s)H(s)=- K(s+1) s(s+2)(s²+2s+4)arrow_forward3. For the unity feedback system with forward path transfer function, G(s), below: G(s)= K(s² +8) (s+4)(s+5) Sketch the root locus and show the breakaway/break-in point(s) and jo-axis crossing. Determine the angle of arrival and K value at the breakaway/break- in point(s). Give your comment the system is stable or unstable.arrow_forwardFind the step response of each of the transfer functions shown in Eqs. (4.62) through (4.64) and compare them. [Shown in the image]Book: Norman S. Nise - Control Systems Engineering, 6th EditionTopic: Chapter-4: Time Response, Example 4.8Solve the math with proper explanation. Please don't give AI response. Asking for a expert verified answer.arrow_forward
- 2. With respect to the circuit shown in Figure 2 below V2 -R1 R2 R4 w R3 R5 Figure 2: DC Circuit 2 a. Using Ohm's and Kirchhoff's laws calculate the current flowing through R3 and so determine wattage rating of R3. b. Verify your results with simulations. Note: you must use the values for the components in Table 2. Table 2 V2 (Volts) R1 (KQ) R2 (KQ) R3 (KQ) R4 (KQ) R5 (KQ) 9 3.3 5 10 6 1 3.3arrow_forwardDon't use ai to answer i will report your answerarrow_forwardDon't use ai to answer I will report you answerarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Electricity for Refrigeration, Heating, and Air C...Mechanical EngineeringISBN:9781337399128Author:Russell E. SmithPublisher:Cengage Learning
EBK ELECTRICAL WIRING RESIDENTIALElectrical EngineeringISBN:9781337516549Author:SimmonsPublisher:CENGAGE LEARNING - CONSIGNMENT
Electricity for Refrigeration, Heating, and Air C...
Mechanical Engineering
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Cengage Learning
EBK ELECTRICAL WIRING RESIDENTIAL
Electrical Engineering
ISBN:9781337516549
Author:Simmons
Publisher:CENGAGE LEARNING - CONSIGNMENT
Electrical Measuring Instruments - Testing Equipment Electrical - Types of Electrical Meters; Author: Learning Engineering;https://www.youtube.com/watch?v=gkeJzRrwe5k;License: Standard YouTube License, CC-BY
01 - Instantaneous Power in AC Circuit Analysis (Electrical Engineering); Author: Math and Science;https://www.youtube.com/watch?v=If25y4Nhvw4;License: Standard YouTube License, CC-BY