Consider the circuit shown in (Figure 1), with the bar moving to the right with speed v. Thebar has length 0.380 m, R = 46.0 N. and B = 0.610 T.Part APart BAt an instant when the resistor is dissipating electrical energy at a rate of 0.920 J/s, what is the speed of the bar?Express your answer with the appropriate units.HÁv =ValueUnitsSubmitRequest AnswerProvide FeedbackFigure< 1 of 1>VRB.

Given Length L=0.38m R=46 Ohm B=0.610T E=0.92J/s

Answered: Consider the circuit shown in (Eigure…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A rectangular metal loop with 0.0502 resistance is placed next to one wire of the RC circuit shown in the figure. The capacitor is charged to 20V with the polarity shown, then the switch is closed at t = Os. (Figure 1) Part A What is the direction of current in the loop for t > Os? O Counterclockwise O Clockwise Submit Previous Answers v Correct Part B What is the current in the loop at t = 5.0us? Assume that only the circuit wire next to the loop is close enough to produce a significant magnetic field. Express your answer to two significant figures and include the appropriate units. Figure HA I(5.0) = Value Units Submit Request Answer ++ 5.0 µF 20 V 2.0 0 Provide Feedback f0.5 cm 1.0 cm 2.0 cm
Figure R₁ ε # R₂ Z R3 R₁ ▼ Find the following currents. • The current I₁ through the resistor of resistance R₁ = 15.02. • The current I2 through the resistor of resistance R₂ = 45.0 • The current I3 through the resistor of resistance R3 = 20.02. • The current I4 through the resistor of resistance R4 = 25.02. Express your answers in amperes separated by commas. ► View Available Hint(s) I1, I2, I3, I4 = Submit Part D for Palit for Part do for Part redo for art C recerfor Part C keyboard shortcuts for Part C help for Part C Find the following potential differences. • The magnitude of the potential difference AV₁ across the resistor of resistance R₁ = 15.0 S • The magnitude of the potential difference AV₂ across the resistor of resistance R₂ = 45.0 2. • The magnitude of the potential difference AV3 across the resistor of resistance R3 = 20.02. • The magnitude of the potential difference AV4 across the resistor of resistance R4 = 25.02 Express your answers in volts separated by commas.…
An LRC circuit is connected to a 10.0-kHz, 765-V (rms) source, L = 30.0 mH, R = 8.20 kn, and C = 6150 pF. ▼ Part A Determine the total impedance. xpress your answer to three significant figures and include the appropriate units. Z = Submit Part B Submit ША Part C Value Request Answer Determine the phase angle. Express your answer using three significant figures. 197| ΑΣΦ Units Request Answer ? ?
Constants During an action potential, Nat ions move into the cell at a rate of about 3 x 10-7mol/m? •S. Part A How much power must be produced by the "active Nat pumping" system to produce this flow against a +30-mV potential difference? Assume that the axon is 10 cm long and 30 µm in diameter. Express your answer using two significant figures. ? P = W
+ How a Real Voltmeter Works 4 of 20 I Review | Constants Part A Unlike the idealized voltmeter, a real voltmeter has a resistance that is not infinitely large. A voltmeter with resistance Ry is connected across the terminals of a battery of emf E and internal resistance r. Find the potential difference Vmeter measured by the voltmeter. • View Available Hint(s) ? Vmeter = Submit Previous Answers Part B Complete previous part(s) Next > Provide Feedback
Constants In the circuit shown in the figure (Figure 1), the 6.0 N resistor is consuming energy at a rate of 30 J/s when the current through it flows as shown. Part A Find the current through the ammeter A. Express your answer with the appropriate units. Figure 1 of 1 HA 20.0 1 I = Value Units 170 Submit Request Answer 6.0 N 20.0 N 190 25 V 3.0N Part B What are the polarity and emf of the battery E, assuming it has negligible internal resistance? 13 N 1.0N Express your answer with the appropriate units. Enter positive value if the polarity of the battery is the same as shown the figure and negative value in another case.
Part A A wire of length L and cross-sectional area A has resistance R What will be the resistance Rstretched of the wire if it is stretched to twice its original length? Assume that the density and resistivity of the material do not change when the wire is stretched. Express your answer in terms of the wire's original resistance R. • View Available Hint(s) Rstretched = Submit
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Two resistors are connected in series to a battery with an emf of 12 V. The voltage across the first resistor is 2.8 V and the current through the second resistor is 0.17 A. Part A Find the resistance of the first resistor. Express your answer using two significant figures. R₁ Submit Part B [5] ΑΣΦ Request Answer Find the resistance of the second resistor. Express your answer using two significant figures. ? Ω
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Select the correct value for each of the quantities listed below. A capacitor of capacitance C= 2.0 µF is initially charged with charge Qo = 6.0 µC. The %3D capacitor is then discharged by connecting it to a resistor of resistance R = 5.0 MN. V V. • The initial voltage of this capacitor is [Select ] At time t = 20 s: • the charge on the capacitor is Q = [Select ] µC, • the voltage across the capacitor is AV= [Select] Y V, • the current in the circuit is I = [ Select ] [ Select ] and the energy stored in the capacitor is U =

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