A block in the shape of a rectangular solid has a crosssectional area of 3.50 cm2 across its width, a front-to-rear length of 15.8 cm, and a resistance of 935 . The block’s material contains 5.33 * 10^22 conduction electrons/m3. A potential difference of 35.8 V is maintained between its front and rear faces. (a) What is the current in the block? (b) If the current density is uniform, what is its magnitude? What are (c) the drift velocity of the conduction electrons and (d) the magnitude of the electric field in the block?
A block in the shape of a rectangular solid has a crosssectional area of 3.50 cm2 across its width, a front-to-rear length of 15.8 cm, and a resistance of 935 . The block’s material contains 5.33 * 10^22 conduction electrons/m3. A potential difference of 35.8 V is maintained between its front and rear faces. (a) What is the current in the block? (b) If the current density is uniform, what is its magnitude? What are (c) the drift velocity of the conduction electrons and (d) the magnitude of the electric field in the block?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 15P: If the current carried by a conductor is doubled, what happens to (a) the charge carrier density,...
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Question
A block in the shape of a rectangular solid has a crosssectional
area of 3.50 cm2 across its width, a front-to-rear length
of 15.8 cm, and a resistance of 935 . The block’s material contains
5.33 * 10^22
of 35.8 V is maintained between its front and rear faces. (a) What
is the current in the block? (b) If the current density is uniform,
what is its magnitude? What are (c) the drift velocity of the conduction
electrons and (d) the magnitude
of the electric field in the
block?
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