The charge of an electron has a magnitude of 1.602x10-19 C. Calculate the number of electrons that move through a cross section of a metal wire in 1.0 minute when the current is 0.50 amperes.
The charge of an electron has a magnitude of 1.602x10-19 C. Calculate the number of electrons...
a) Calculate the electrical force between a gram of protons and the same number of electrons that are separated by 1 m. (There are about 5.979x1023 protons in a gram, each with a charge of +1.602x10-19 C; charge on an electron is the same magnitude but negative
a) Calculate the electrical force between a gram of protons and the same number of electrons that are separated by 1 m. (There are about 5.979x1023 protons in a gram, each with a charge of +1.602x10-19 C; charge on an electron is the same magnitude but negative) b) Calculate the gravitational force between two 1g masses 1 meter apart, when F- Gmm2/r2 where G is equal to 6.67x10-11 N m2 / kg2 What is the magnitude difference between these two...
An electron has a charge of -1.6 x 10-19 C. How many electrons would be needed to produce a net charge of -12.4 x 10-5 The required number of electrons is 1014
#2 1. How many moles of electrons are represented by a total charge of 1.0 C? The charge on A) 6.2 x 10 mol B) 1.6 x 10-19 mol C) 3.5 x 105 mol D) 1.0 x 10 mol 2. The charge on an electron is 1.602 x 10"9 C. How many electrons flow when 55 pJ of an electron is 1.602 x 10-19 C. electrical energy passes through a voltage of 9 V? A) 3.4 x 10 B) 3.8...
An aluminum wire has a mobile charge density is 8.0e28 electrons/m3, and a cross-sectional area of 2.3e-6 m2. When a current flows through the wire, the average drift speed of the electrons is 1.7e-4 m/s. What is the current in the wire?
The charge on an electron is e=−1.6×10−19 C. The charge on a proton is equal in magnitude, but positive. The electron's mass is 9.11×10−31 kg. A) In an atom the electric the proton and electron are seperated by 1.0×10−19m. What is the acceleration of an electron of an electron at that distance? B) What is the electric field magnitude due to the proton at the electron's location?
Suppose the magnitude of the proton charge differs from the magnitude of the electron charge by a mere 1 part in 10^9. A) What would be the force between two 1.1-mm-diameter copper spheres with 2.0 cm between their centers? Assume that each copper atom has an equal number of electrons and protons. Express your answer to two significant figures and include the appropriate units. B) Would this amount be detectable? C) What can you conclude from the fact that no...
An electron in a Bohr hydrogen atom has quantum number n=2. Calculate the radius of the orbit (in A), the relative energy of the electron (in eV, 1 eV = 1.602x10-19 ), and its velocity. En eV m/s
ke=8.99XIU' N.1 Problem 4 A copper wire has a circular cross section with a diameter of 1.25 mm. (i) If the wire carries a current of 2A, find the drift speed of electrons in this wire. (ii) All other things being equal, what happens to the drift speed if the wire is made of a different metal, having a larger number of conduction electrons than copper? M=0.063 kg/mol; p=8.9 g/cm3. Problem 5 A proton moves perpendicular to a uniform magnetic...
A copper wire of 1.0 cross-sectional area carries a current of 2.72 A What is the magnitude of the drift velocity in m/s) for an electron in the wire? The number of free charge carries of copper per unit volume is 8.0x10 electrons/m! A. 2.0E10+