Answered: If J 11/13 (2 (2 cos 0 a, + sin 0 a)…

If J 11/13 (2 (2 cos 0 a, + sin 0 a) A/m², calculate the current passing through A hemispherical shell of radius 20 cm a. 21.4 A O b. 31.4 A C. None of these O d. 11.4 A

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

Chapter22: Magnetic Forces And Magnetic Fields

Section22.9: Ampère’s Law

Problem 22.6QQ: Figure 22.30 (Quick Quiz 22.6) Four closed paths around three current-carrying wires. Rank the...

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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.

Question

Subject: physics

If J
31/34 (2 cos 0 a, + sin 0 a) A/m², calculate the current passing through
A hemispherical shell of radius 20 cm
a.
O b.
c.
d.
21.4 A
31.4 A
None of these
11.4 A

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