The quantity of charge q (in coulombs) that has passed through a surface of area 2 cm? varies with time according to the equation q= 2t 3+ 4t - 6, where t is in seconds. What is the value of the current density (A/m²) at t= 6.0 s? 1. O11.0 × 105 2. O 14.9 × 10° 3. O 19.4 × 10° 4. O 24.5 × 10° 5. O30.2 × 105

The quantity of charge q (in coulombs) that has passed through a surface of area 2 cm? varies with time according to the equation q= 2t 3+ 4t - 6, where t is in seconds. What is the value of the current density (A/m²) at t= 6.0 s? 1. O11.0 × 105 2. O 14.9 × 10° 3. O 19.4 × 10° 4. O 24.5 × 10° 5. O30.2 × 105

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 3P: The quantity of charge q (in coulombs) that has passed through a surface of area 2.00 cm2 varies...

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