Question

Text: The electric field E(t) = +3t^2 - 3t + 9 (N/C) is present in a cylindrical wire of length L with a changing cross-section and positive resistivity. The electric field is directed along the wire and time is measured in seconds. At t = 3s instant, find the current. A) 4/p B) 6/р C) 12/p D) 9/p E) 11/p

Name: text the electric field et 3t2 3t 9 nc is present in a cylindrical wire of length l with a changing cross section and positive resistivity the electric field is directed along the wire and t 19457
Uploaded: 2022-04-30T03:47:23-08:00
Duration: 1 min 5 s
Channel: Prabhu Ramji
Description: text the electric field et 3t2 3t 9 nc is present in a cylindrical wire of length l with a changing cross section and positive resistivity the electric field is directed along the wire and t 19457

          Text: The electric field E(t) = +3t^2 - 3t + 9 (N/C) is present in a cylindrical wire of length L with a changing cross-section and positive resistivity. The electric field is directed along the wire and time is measured in seconds. At t = 3s instant, find the current.

A) 4/p
B) 6/р
C) 12/p
D) 9/p
E) 11/p

Added by Ashlee H.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Prabhu Ramji

04/30/2022

Step 1

Mathematically, this can be represented as: I = E / (ρ * A) Show more…

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Text: The electric field E(t) = +3t^2 - 3t + 9 (N/C) is present in a cylindrical wire of length L with a changing cross-section and positive resistivity. The electric field is directed along the wire and time is measured in seconds. At t = 3s instant, find the current. A) 4/p B) 6/р C) 12/p D) 9/p E) 11/p