Essential University Physics (3rd Edition)
Essential University Physics (3rd Edition)
3rd Edition
ISBN: 9780134202709
Author: Richard Wolfson
Publisher: PEARSON
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Chapter 35, Problem 61PP
To determine

If a qdot’s size is decreased, what happened to the wavelength of the photon that emitted in a transition from the dot’s first excited state to the ground state.

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Two long, parallel wires carry currents of I₁ = 2.70 A and I2 = 4.85 A in the directions indicated in the figure below, where d = 22.0 cm. (Take the positive x direction to be to the right.) 12 (a) Find the magnitude and direction of the magnetic field at a point midway between the wires. magnitude direction 3.91 270 μπ ⚫ counterclockwise from the +x axis (b) Find the magnitude and direction of the magnetic field at point P, located d = 22.0 cm above the wire carrying the 4.85-A current. magnitude direction Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. μT The response you submitted has the wrong sign.° counterclockwise from the +x axis
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