Parallel-plate vacuum capacitor problem

Assignment Help Physics
Reference no: EM13666085

A parallel-plate vacuum capacitor has 9.20 J of energy stored in it. The separation among the plates is 2.90 mm .If the separation is decreased to 1.55 mm.

a) What is the energy now stored if the capacitor was disconnected from the potential source before the separation of the plates was changed?

b) What is the energy now stored if the capacitor remained linked to the potential source while the separation of the plates was changed?

Reference no: EM13666085

Questions Cloud

Particle known as a pion lives for a short time : A particle known as a pion lives for a short time before breaking apart into other particles. Assume it is moving at a speed of 0.980c, and an observer who is stationary in a laboratory measures the particle's lifetime to be 5.00*10-8 s.
Compute the size of the current : A 56.7 cm long straight section of wire is located entirely inside a uniform magnetic field of |B| = 0.210 T. The wire is perpendicular to the direction of the magnetic field. When a current runs during the wire a magnetic force of|F| = 0.950 N acts ..
Magnitude of velocity of bullet just before it hits ground : A gun tilted upward at 41 degrees above the horizontal fires a bullet by a speed of 216 m/s. The bullet travels as a projectile and lands at the same height as the gun. Ignoring air resistance, answer the following. What is the magnitude of the veloc..
Maximum coefficient of friction among the box and the slide : At the end of a factory production line, boxes start from rest and slide down a 35o ramp 4.8 m long. If the slide is to take no more than 2.1 s, what is the maximum coefficient of friction among the box and the slide?
Parallel-plate vacuum capacitor problem : A parallel-plate vacuum capacitor has 9.20 J of energy stored in it. The separation among the plates is 2.90 mm .If the separation is decreased to 1.55 mm. What is the energy now stored if the capacitor was disconnected from the potential source befo..
Discover the maximum height it reaches : A ball thrown vertically upward is caught with the thrower after 2.00s. Discover the initial velocity of the ball. Discover the maximum height it reaches.
Small mailbag is released from a helicopter : A small mailbag is released from a helicopter that is descending steadily at 1.50 m/s. After 2.00 s, what is the speed of the mailbag? How far is it below the helicopter?
Discover the force the wall exerts on the beam : A 350 N beam of uniform density is hinged on a wall. A 200 N object hangs off the end of the beam at a distance l from the wall.  A cable supports the beam by an upward tension of T at a distance of 2 l /3 from the wall and at an angle of 168 degrees..
Discover the speed of the ball after being struck : A .5 kg ball, traveling 20 m/s, is struck by a bat, imparting an impulse of 50 Ns in the opposite direction. Discover the speed of the ball after being struck.

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