Find what is the value of the current density

Assignment Help Physics

Reference no: EM13530549

The quantity of charge q (in coulombs) that has passed through a surface of area 2.05 cm2 varies with time according to the equation q = 6t3 + 7t + 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: EM13530549

Questions Cloud

Describe what is the ph of the resulting solution : 11 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.11 M C2H3O2-. What is the pH of the resulting solution

Calculate what is the current in the lightbulb : A lightbulb has a resistance of 170 ? when operating with a potential difference of 110 V across it. What is the current in the lightbulb

Experiment mimic a natural ecosystem : How does this experiment mimic a natural ecosystem? Whatthings are different? This experiment was on Mimicking the effectsof Acid Rain.

What are the two apamorphies of green plants : In your own words. Define the term “dilution series.” Explain how a dilution series is utilized. what are the two apamorphies of green plants (chlorobionta)?

Find what is the value of the current density : The quantity of charge q (in coulombs) that has passed through a surface of area 2.05 cm2 varies with time according to the equation q = 6t3 + 7t + 6, What is the value of the current density

How to compute the concentration of naoh : Calculate the concentration of NaOH if 25. ml of the solution is needed to neutralize 18.9 ml of .237 M HCl

Explain diphosphorus pentoxide : Diphosphorus pentoxide(3.54g) has reacted with ferric oxide(5.45g).What is/are the mass/masses of the product/s obtained per reaction assuming 100%yield

What substances does the duodenum secretes : What substances does the duodenum secretes? Compare and contrast Pteropods and Heteropods. How are they similar? How are they different? The target organ of pancreozymin is the stomach, liveror both?

State the chemical equation for the overall reaction : Write the chemical equation for the overall reaction that would occur when the original compound was converted to a chloride

User Account

All Pages