A metal object having a length (10m), cross section area (0.5 mm2), andresistance (0.52) is connected to a potential difference source of 5V atroom temperature.If the density of free electrons equals (8x1025 electron/m3), Calculate thecurrent through the object.O 12AO 20AO 17AO 18AO 16AO 22AO 21A

We need to calculate current through metal .

Answered: A metal object having a length (10m),…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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A 1.5 V battery is added to the photoelectric effect apparatus as shown below. Monochromatic light source Evacuated tube + 1.5 V B Make a sketch of the above circuit and label electrodes A and B according to the type of charge (+ or -) that accumulates (whether the light is on or off). When the light is turned on consider the following questions: • Is the number of electrons emitted from electrode Beach second when there is a battery in the circuit greater than, less than. or equal to the number emitted each second when there is no battery? Explain. • What is the potential difference across the electrodes (AV = VA - VB)? • What does your answer to the above question imply about whether the net charge on each of the electrodes changes? Explain. • Write an expression relating the potential difference AV to the change in kinetic energy of a single electron as it moves from electrode B to electrode A. (Hint: Consider the work done by the electric field between the electrodes or the…
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