Find the expression for voltage across capacitor v ( t ) for t ≥ 0 .

Question

Want to see the full answer?

Answer 1

Question

Chapter 7, Problem 23P

a)

To determine

Find the expression for voltage across capacitor v(t) for t≥0.

b)

To determine

Find the expression for current that flows through 40 kΩ resistor for t≥0+.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

2- Sketch the circuits in the Block 1, Block 2 and Black 3, Then show the type of every circuit Iov Vout Block! Vouts 20 t Vout 2 t lovT Block 2 -lov P-50HZ 25 *Vout 3 Block 3-2 2.2V 22V

2. A 3-phase, 75 MVA, 11-8 kV star-connected alternator with a solidly earthed neutral point has the fol- lowing p.u. impedances based on rated phase voltage and rated phase current : Positive phase sequence impedance Negative phase sequence impedance Zero phase sequence impedance = j 2 p.u. = j 0.16 p.u. = j 0.08 p.u. Determine the steady-state fault current for the following: (i) 3-phase symmetrical short-circuit (ii) one line-to-earth fault (iii) two line-to-earth fault. The generated e.m.f. per phase is equal to the rated voltage. [(i)1840 A (ii) 4920 A (iii) 3580 A]

Make sure you indicate clearly the questions attempted Show your work to earn marks. • Enjoy Q1. With the help of a well-drawn diagram, explain concept map of an electromechanical system modelling. [20] Q2. Separately-excited generator develops a no load emf of 150V at an armature spend of 20 rev/s and a flux per pole of 0.1 Wb. determine the generated emf when a. The spend increases to 25rev/s and the pole flux remains unchanged. b. The speed remains at 20 rev/s and the pole flux is decreased to 0.08Wb. c. The speed increases to 24 rev/s and the pole flux is decreased to 0.07 Wb Write short notes on the following term a. Copper loss b. Iron loss c. Friction and Windage losses. [20]