College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
Related questions
Question
What is the instantaneous current through the surface at t
What is the value of the current density?
![**Problem Statement:**
The quantity of charge \( q \) (in coulombs) that has passed through a surface of area \( 1.90 \, \text{cm}^2 \) varies with time according to the equation:
\[ q = 4t^3 + 6t + 6, \]
where \( t \) is in seconds.
---
**Questions:**
(a) What is the instantaneous current through the surface at \( t = 0.900 \, \text{s} \)?
\[ \boxed{ \text{A} } \]
(b) What is the value of the current density?
\[ \boxed{ \text{kA/m}^2 } \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F80172120-2709-4213-9fff-d391233fdef9%2F867b2d5a-1681-4e29-b43a-c7ea9c4b4508%2Fa8ntq5u_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
The quantity of charge \( q \) (in coulombs) that has passed through a surface of area \( 1.90 \, \text{cm}^2 \) varies with time according to the equation:
\[ q = 4t^3 + 6t + 6, \]
where \( t \) is in seconds.
---
**Questions:**
(a) What is the instantaneous current through the surface at \( t = 0.900 \, \text{s} \)?
\[ \boxed{ \text{A} } \]
(b) What is the value of the current density?
\[ \boxed{ \text{kA/m}^2 } \]
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