1 Dimensional Analysis The SI unit of charge is the coulomb, denoted by the symbol C. The SI unit of current is the ampere, denoted by the symbol A. A current of one ampere delivers a charge of one coulomb every second: 1 A = 1C/s. The elementary charge is the charge of a single proton. It is defined to be exactly e = 1.602 176 634 × 10-19 C, where C denotes a coulomb, the SI unit of charge. (a) How long does it take for a current of 1A to transport an the equivalent charge of 1 mol of protons? Report your result in seconds, hours, and days. (b) The electric force between two charged objects is F =k9Q F is the force, q and Q are electrical charges, and r is the distance between charges. What are the dimensions of the constant k in terms of mass () length (1) time (T) and charge (oY

1 Dimensional Analysis The SI unit of charge is the coulomb, denoted by the symbol C. The SI unit of current is the ampere, denoted by the symbol A. A current of one ampere delivers a charge of one coulomb every second: 1 A = 1C/s. The elementary charge is the charge of a single proton. It is defined to be exactly e = 1.602 176 634 × 10-19 C, where C denotes a coulomb, the SI unit of charge. (a) How long does it take for a current of 1A to transport an the equivalent charge of 1 mol of protons? Report your result in seconds, hours, and days. (b) The electric force between two charged objects is F =k9Q F is the force, q and Q are electrical charges, and r is the distance between charges. What are the dimensions of the constant k in terms of mass () length (1) time (T) and charge (oY

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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Concept explainers

Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.

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1 Dimensional Analysis
The SI unit of charge is the coulomb, denoted by the symbol C. The SI unit of current is the ampere, denoted by the
symbol A. A current of one ampere delivers a charge of one coulomb every second: 1 A = 1C/s.
The elementary charge is the charge of a single proton. It is defined to be exactly e = 1.602 176 634 x 10-19 C, where
C denotes a coulomb, the SI unit of charge.
(a) How long does it take for a current of 1 A to transport an the equivalent charge of 1 mol of protons?
Report your result in seconds, hours, and days.
(b) The clectric force between two charged objects is
F =k9Q
r2
F is the force, q and Q are electrical charges, and r is the distance between charges. What are the dimensions of
the constant k, in terms of mass (M), length (L), time (T), and charge (Q)?

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