Problem 3: A current of I= 1.5 A flows through a resistor. The potential difference across theresistor is measured and found to be AV= 5.9 V.Part (a) Express the resistance, R, in terms of I and AV.Expression :R =Select from the variables below to write your expression. Note that all variables may not be requirea, B, AV, T, 0, a, d, g, h, I, j, k, m, P, tPart (b) Calculate the value of the resistance, R, in ohms.Numeric : A numeric value is expected and not an expression.R =

Answer Given data Current I = 1.5 A Potential difference ∆V = 5.9 V We have to find the resistance.…

Answered: Problem 3: A current of I= 1.5 A flows…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 89CP: Consider a resistor made from a hollow cylinder of carbon as shown below. The inner radius of the...

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Ralph has three resistors, R1, R2, and R3, connected in series. When connected to an ideal emf source E1, current I1 flows through the resistors. a. If the resistors are instead connected to a second source with E2=2E1, what is the new current through the resistors in terms of the first current? b. Show that, if each resistance is doubled and the resistors are connected in series to the second emf source, the current through the resistors is equal to I1.
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Consider a resistor made from a hollow cylinder of carbon as shown below. The inner radius of the cylinder is Ri= 0.20 mm and the outer radius is R0 = 0.30 mm. The length of the resistor is L = 0.90 mm. The resistivity of the carbon is =3.5105 m. (a) Prove that theresistance perpendicular from the axis is R=2L1n(R0Ri) . (b) What is the resistance?
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