Answered: When a capacitor is being charged, the… | bartleby

Related questions

Question

When a capacitor is being charged, the instantaneous current i at time ! is given by:
i = (10-e C ), where C and R are constants. Given C =7×10*F, and R= 0.3×10ʻ2.
Calculate:
(a) The instantaneous current when t= 2.5seconds
(b) The time for the instantaneous current to fall to 5.0Amperes
(c) On a graph paper, sketch a curve of current against time from t =0 to t = 6.0seconds

Expert Solution

Step by step

Solved in 5 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

A spherical surfaces r= 3 m and r=5 m are perfectly conducting and the total current passing radially outward through the medium between the two surfaces is (3 A) dc calculate: a) The voltage and the resistance between the spheres and (E) in the region between them, if a conducting material has o = 0.05 $/m is present for 3
the rate of charge (q) flowing in a piece of copper wire is 0.0032 c at a cross -sectional surface area in 15ms. How much current I(mA) is flowing in the circuit ?
Given a current J = 0.5r-¹e-10¹t A/m², determine p、(r, t) by integrating V J (making sure på → 0 as t → ∞o).
In the circuit ɛ =4.6 kV, C = 7.9µF, R, = R2 = R3 = 0.74 MQ. With C completely uncharged, switch S is suddenly closed at t=0, a) at t=0 find the current in all resistors b) Fint the current in all resistors at t=, c) potential difference across resesitor 2 at t=0 and t=∞ R Rg Ro ww-
The current flowing in a given circuit can be described by the function: I(t) = Imax(1 - e-t/τ), where Imax = 25 A and T = 2.4 s. At what time in seconds is the current equal to 75% of the maximum current? How much charge in coulombs, passes through a point in the circuit as the current increases from 0 to 75% of the maximum current?