2. The emf of the battery is 5 V, the capacitance of the capacitor is 4 µF, and the resistance of each identicalresistor is 10. The switch has been open for a long time, then closed at t = 0. Show your work on each step.(a) What is the current through the numbered resistors immediately after the switchhas closed?=R2mER₁12=(b) What is the current through the numbered resistors long after the switch has closed?=12(c) If the switch is then reopened, what is the current through the numbered resistors immediately after theswitch is reopened?1₂ =

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Answered: 2. The emf of the battery is 5 V, the…

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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Activity 2 Directions: Solve for the given problems. Show your complete solutions. Express your final answers into 3 significant figures. 1. Silver is composed of 5.8 x 1028 free electrons per cubic meter. If a silver wire with a diameter of 1.8 mm can allow charges of 360 C to flow in 1 hour, a. What is the current in the conducting wire? b. What is the magnitude of the drift velocity of the electrons in the conducting wire? 2. A wire has a radius of 1.90 mm. If the current in the wire is 6.14 A, the drift velocity is 4.86 x 10-5 m/s. What is the concentration of free electrons in the metal?
Electron guns are used in X-ray tubes. The electrons are accelerated through a large voltage and directed onto a metal target to produce X-ray. An electron beam has a flow of 6.1 × 1016 electrons every 2.0 seconds. What is the beam current in ampere (A)? The charge carried by every electron is -1.6 x 10-19 C. Please show your work.
Answer question 2 only Please. 2. A wire has a radius of 1.90 mm. If the current in the wire is 6.14 A, the drift velocity is 4.86 x 10-5 m/s. What is the concentration of free electrons in the metal?
Please fill out the template below with the work for this problem. Note that you need to have a picture, a list of knowns and unknowns, the general equation/s you will use, and the math steps to solve for the unknown, only plug in the numbers after you have solved for the unknown, and the answer with units included. Question 1: A current of 2.72 A flows through a wire. How many electrons flow past a particular point in the wire every 15 seconds?
Reclung.c A on ri gle Figure 1 2. The circuit shown above is constructed with two 6.0 V batteries and three resistors with the values shown. The currents 1₁, 12, and 13 in each branch of the circuit are indicated. 2 GEOMETRY AND TRIGONOMETRY Circle A = ²² C = 2πr Cy.inder bh - re Rectangular Solid Vlh Sphere 1. Using Kirchhoff's rules, write, but DO NOT SOLVE, equations that can be used to solve for the current in each resistor. ii. Calculate the current in the 200 9 resistor. iii. Calculate the power dissipated by the 200 2 resistor. V = ar²l S.. Figure 2 The two 6.0 V batteries are replaced with a battery with voltage & and a resistor of resistance 50 2, as shown above. The voltmeter V shows that the voltage across the 200 £2 resistor is 4.4 V. (b) Calculate the current through the 50 2 resistor. (c) Calculate the voltage & of the battery. V=² S = 4; 7² Rig Triangle 2 +6² = c² sin = COS== tan 8 = OJA b C 2m. a b 6.0 V 7,4 & A - area C=circumference h-hei £= le L W = IUL r=fuu.0…
The filament of a certain light bulb is made of tungsten and has a length of 0.48 m and a circular cross-section with a diameter of 0.062 mm. a. Calculate the resistance of the filament at room temperature. b. A4.0 V voltage applied to the filament results in a 0.078 A current. Determine the temperature of the filament under these conditions. I need to show all work please
Can you please answer only 1.00 V and 1.25 V and 1.50 V
P-3 Please help me with this problem very clearly with step by step explanation.
Kirchhoff's Laws: Find the current through and voltage across all resistors if & ₁ = 1 9.0 V, & 2 12.0 V, R₁ = 220 Q, R2 = 330 Q, R3 = == = 1 R4 R5 100 Q. Please put your answers in a table and show all your work. If you use a matrix calculator, please write what you entered into the calculator or solver. R. +.1. Ry Rz E. R3 Rs
Answer the following questions. 1. Why does the voltage across the resistor for charging and discharging processes change the sign from positive to negative? Hint: think about the direction of current. 2. Does the voltage V across the resistor for charging and discharging obey by the same equation: V = Vo eRC 3. What is the sum of the voltages across the capacitor Vc and across the resistor VR at any point in time during the charging and discharging processes? Use a snipping tool to copy and paste the waveform chart and graph for the charging and discharging curves into the lab report.
2. What is the total resistance of resistors 50, 90, 30, 62, 102 in a series? Show your work...
Directions: Solve for the given problems. Show your complete solutions.Round off your answers into the proper number of significant figures.1. Copper has 8.5 x 1028 free electrons per cubic meter. A 75.0-cm length ofcopper wire with a diameter of 2.05 mm, carries 4.97 A of current.a. How much time does it take for an electron to travel the length of thewire?b. Repeat (a) for a wire with a diameter of 4.12 mm of the same length thatcarries the same current.c. How does changing the diameter of the wire affect the drift velocity ofthe electrons in the wire?

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