Problem 10: (8% of Assignment Value)A 420 resistor, an uncharged 1.35 µF capacitor, and a battery with a 6.14 V potential difference are connected in series.Randomized VariablesR = 420 QC = 1.35 μFAV = 6.14 VPart (a)What is the initial current in mA, immediately after they are connected?I = ||Hints:sin()cos()tan()πο789HOMEcotan()asin()acos()EΛ456atan()acotan()sinh()*12->cosh() tanh()cotanh()+-0ENDDegrees Radians✓ BACKSPACESubmitHintFeedbackI give up!2 Submission(s) RemainingFeedback:Part (b)What is the RC time constant in s?Part (c)What is the current, one time constant after they are connected, in milliamps?Part (d)What is the voltage on the capacitor after one time constant in V?DELCLEAR

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Answered: Problem 10: (8% of Assignment Value) A…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

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Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 87AP: A 160F capacitor charged to 450 V is dischargedthrough a 31.2k resistor, (a) Find the time...

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A 160F capacitor charged to 450 V is dischargedthrough a 31.2k resistor, (a) Find the time constant.(b)Calculate the temperature increase of the resistor, given that its mass is 2.50 g and its specific heat is 1.67kJ/kg °C,noting that most of the thermal energy is retained in the short time of the discharge, (c) Calculate the new resistance, assuming it is pure carbon. (d) Does this change in resistance seem significant?
Consider a power plant is located 60 km away from a residential area uses Q-gauge (A=42.40mm2) wire ofcopper to transmit power at a current of I = 100.00 A.How much more power is dissipated in the copper wires than it would be in superconducting wires?
what is the answer!?
Ris the total resisteance of three resistors, connected in parallel, with resistances R1, R2, R3. then R1 R2 R3 If the resistances are measured in ohms as R1 = 45N, R2 = 40N, and R3 = 302, with a possible error of 0.4% in each case, estimate the maximum error in the calculated value of R. N. AR =
Problem 14: A 480 2 resistor, an uncharged 1.65 uF capacitor, and a battery with a 6.12 V potential difference are connected in series. Randomized Variables R-480 2 C- 1.65 uF AV-6.12 V a) What is the initial current in mA, immediately after they are connected? sin() cos() tan() 7. 8. 9. cotan() asin) acos() E 4 6. atan() acotan() sinh() 2. 3 cosh() tanh() cotanh() • Degrees O Radians (b) What is the RC time constant in s? "Ke) What is the current, one time constant after they are connected, in milliamps? (d) What is the voltage on the capacitor after one time constant in V?
A thin-film nichrome resistor in the form of a rectangle of dimensions 1mm x 5mm is deposited on to a glass substrate. Estimate the thickness of the film for the resistance measured between electrodes contacting the 1mm edges to be 1.0 k2. The resistivity of 'nichrome' may be taken to be 1.07 x10° -m. Calculate the surface resistivity of the nichrome film.
B7
By measuring the currents and times and then draw the current vs time graph using the measurement at the lab for ε =8 V, R=1M Ω and C=4.7μF. When is the capasitor charged fully?
PROBLEM 08 A 1-inch diameter wire of 10-ft length (which has an internal resistance of 3 kQ, and thermal conductivity of 300 W/m-C) experiences a current of 10 amperes. Because of this, the heat generated from the caused the melting of the wire starting from the center (the melting temperature of the wire is 2300°C). It was found that the melted part of the wire has a radius of 0.1 in from which conduction of electricity no longer generates heat. Other given: Q = 2.02 x 108 W/m3 a. What would be the temperature profile of the wire (T = f(r)) if the constants from integration where found to be C1 = 271,088.04 W/m, and C2 = 929,466.79 W/m? b. What would be the temperature of the wire at r = 0.5 in? c. What would be the heat flowrate at r= 0.1 in?
= 250 [12]. Andami namang resistors! Consider the resistor network shown in the figure, with R₁ R₂ = 1.0 [kN], R3 = 1.2 [kN], R4 = 1.0 [kN], and R5 = 1.5 [k]. The source voltage & is 24 [V], and has no internal resistance. What is the current passing through R₁? E R₁ www www R₂ O A. 34 [mA] O B. 54 [mA] O C. 96 [mA] O D. 104 [mA] www R3 R4 R5
Do it plz
If R1 = 36 Q, R2 = 53 Q, and R3 = 115 Q, find the current through R1. %3D Source of emf 1 (E1) = 11 V Source of emf 2 (E2) = 6 V R, R, wwww E -WWWW R, Www ROUND OFF ANSWER UP TO 2 DECIMAL PLACES. INPUT BOTH THE NUMBER AND UNIT (LETTER ONLY). INCLUDE THE SIGN IF THE ANSWER IS NEGATIVE.

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