Confused (c) What is the battery's rating in ampere-hours?1.35 The voltage across a device and the current through it are shown graphically in Fig. P1.35.Sketch the corresponding power delivered to the device and calculate the energy absorbedby it.(Ulaby, Maharbiz, & Furse, 2018)i(t)10 A-0v(t)5 V-+3 s4 sI s3 s4 s01 s2 s-5 V+Figure P1.35: i(t) and u(t) of the device in Problem 1.35.1.44 The switch in the circuit of Fig. P1.44 closes at t = 0. Which elements are in series andwhich are in parallel at (a) t<0 and (b) t> O?UsRI1 R31 = 0R₂R40 IAT87

Approach to solving the question:The power delivered to the device at any time t can be calculated…

Answered: (c) What is the battery's rating in…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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The current entering the positive terminal of a device is (0) = 15 e-21 mA and the voltage across the device is v0 = 5 di/dt V. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Find the charge delivered to the device between t= 0 and t = 2 s. The charge delivered to the device is mc. wwwwwwww
+1 (a) Show that the potential difference across the battery is AV = E - ir and the current is given by load i= E r+Rload (b) If r= 19, plot AV versus Rload- (c) Given the above, explain why sometimes we don't care about the internal resis- tance. (d) Let & = 1.53V, and the measured voltage and current across a 15.602 load is respectively 1.49V and 96mA, what is the internal resistance?
A static electrical device has 2000 turns uses 4000 mA from the supply connected to a laptop whichhas a power of 20 V, 1000 W. How can you find the amount of current used by the laptop? Identify suchstatic electrical device used and evaluate supply voltage taken by it. Which category does it belong basedon its ability to change voltage? Practical efficiency of such electrical device is less than 100 %. Justifywith reasons. What are possible ways to improve its efficiency?
Figure P1.27 shows an ammeter (AM) and voltmeter (VM) connected to measure thecurrent and voltage, respectively, for circuit element A. When current actually enters the + terminalof the ammeter, the reading is positive, and when current leaves the + terminalreading is negative. If the actual voltage polarity is positive at the + terminal of the VM, thereading is positive; otherwise, it is negative. (Actually, for the connection shown, the ammeterreads the sum of the current in element A and the very small current taken by the voltmeter. Forpurposes of this problem, assume that the current taken by the voltmeter is negligible.) Find thepower for element A and state whether energy is being delivered to element A or taken from it if a. the ammeter reading is +2 A and the voltmeter reading is +30 V.b. the ammeter reading is -2 A and the voltmeter reading is - 30 V.c. the ammeter reading is -2 A and the voltmeter reading is + 30 V.
the current (in mA) in each resistor shown in the figure aboveIR1IR2IR3 the potential difference between points c and f (Give the magnitude of your answer in volts and select the point of highest potential.) magnitude of potential difference What If? If all of the resistors in the circuit were decreased in value by a factor of 1,000, would the current in each resistor simply increase by a factor of 1,000? Explain your answer.
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Solve the following problems with complete solutions and units using 2 decimal digits: The resistance of a given e electric device is 46 Ω at 25°C. If the temperature coefficient of resistance of the material is 0.00454 at 20°C, determine the temperature of the device when its resistance is 92 Ω
At 158 °F and 30 MPa, the density of pure CO₂ is (select the nearest value): A. B. C. D. E. 1800 kg/m³ 1200 kg/m³ 800 kg/m³ 600 kg/m³ 250 kg/m³
HOMEWORK PROBLEMS Section 1.2: Charge, Current and Voltage 1.1 A free electron has an initial potential energy per unit charge (voltage) of 17 kJ/C and a velocity of 93 Mm/s. Later, its potential energy per unit charge is 6 kJ/C. Determine the change in velocity of the electron. 1.2 The units for voltage, current, and resistance are the volt (V), the ampere (A), and the ohm (S2), respectively. Express each unit in fundamental MKS units. 1.3 A particular fully charged battery can deliver 2.7.106 coulombs of charge. a. What is the capacity of the battery in ampere-hours? b. How many electrons can be delivered? inoru 1.4. The charge cycle shown in Figure P1.4 is an example of a three-rate charge. The current is held constant at 30 mA for 6 h. Then it is switched to 20 mA for the next 3 h. Find: a. The total charge transferred to the battery. b. The energy transferred to the battery. Hint: Energy w is the integral of power, or P = dw/dt. Battery voltage Battery current 1.7 V 1.2 V 1.5 0.6…
Q1d) Find , and I, in the circuit given. Use KCL and ohms law only to solve 0.54 Va 3 A
An industrial battery is charged over a period of several hours at aconstant voltage of 120 V. Initially, the current is 10 mA and increaseslinearly to 15 mA in 10 ks. From 10 ks to 20 ks, the current is constant at 15 mA. From 20 ks to 30 ks the current decreases linearly to 10 mA.At 30 ks the power is disconnected from the battery.1. a) Sketch the current from t=0 to t=30 ks.2. b) Sketch the power delivered to the battery from t=0 to t=30 ks.3. c) Using the sketch of the power, find the total energy delivered tothe battery.
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