Determine the value of the current density

Assignment Help Physics
Reference no: EM13328354

The quantity of charge q (in coulombs) that has passed through a surface of area 1.95 cm2 varies with time according to the equation q = 5t3 + 5t + 6, where t is in seconds.

(a) What is the instantaneous current through the surface at t = 0.950 s?

A

(b) What is the value of the current density?

kA/m2

Reference no: EM13328354

Questions Cloud

What is the electric field in the conductor : If the magnitude of the drift velocity of free electrons in a copper wire is 9.12 10-4 m/s, what is the electric field in the conductor
Build an os catalogue : Build an OS catalogue where you will list the categories of OS by each criterion, and will list at least two examples of actual OSs in each category. Provide the reference for same.
Explian what optical rotation would be observed : If the boiling point of the pure of (S)-(-)-alpa-phenylethylamine is 186-188 degrees Celsius, what is the bp of its enantiomer. What optical rotation would be observed if 3.72 g of (S)-amine were mixed with 3.72 g of the (R)-amine
Find how many furnitures were produced on each shift : A furniture company produces 5 times as many beds on shift two than on shift one. If a total of 240 beds were produced, how many were produced on each shift
Determine the value of the current density : The quantity of charge q (in coulombs) that has passed through a surface of area 1.95 cm2 varies with time according to the equation q = 5t3 + 5t + 6, What is the value of the current density
Develop an analysis of the impacts such a development : Explain why you think the impact will or will not occur, cite sources when necessary, and justify your position using APA format.
What are the expected return and the standard deviation : When a deposit matures, Smith's policy is to relodge the whole sum (principle & interest) immediately for further period. He chooses the term of each deposit according to his assessment of the interest rates available at that time.
Explain alpha-phenylethylamine comes into contact co2 : The formation of a white solid id often observed after alpha-phenylethylamine comes into contact with carbon dioxide in the atmosphere. What is that white compound? Give an equation that shows its formation.
What is the speed of wave propagation on the rope : Sarge quickly approximates the rope to be a string with a very high spring constant. What is the speed of wave propagation on the rope

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude of the resulting magnetic field

A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.

  Find the equivalent resistance

A resistor is in the shape of a cube, with each side of resistance  R . Find the equivalent resistance between any two of its adjacent corners.

  What is the electric field at the location

Question: Field and force with three charges? What is the electric field at the location of Q1, due to  Q 2 ?

  What is the maximum displacement of the bridge deck

What is the maximum displacement of the bridge deck?

  What is the magnitude of the current in the wire

What is the magnitude of the current in the wire as a function of time?

  Blackbody

Questions on blackbody, Infra-Red Detectors & Optic Lens and Digital Image.

  Gravity conveyor

Illustrate the cause of the components accelerating from rest down the conveyor.

  Calculate the dc voltage

Calculate the dc voltage applied to the circuit.

  Quadrupole moments in the shell model

Quadrupole moments in the shell model

  Determine the tension in each string

Determine the tension in each string

  Introductory mechanics: dynamics

Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.

  Evaluate maximum altitude

Evaluate maximum altitude?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd