Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 398 Weeks Ago, 6 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 31 Mar 2018 My Price 7.00

parallel infinite sheets

Imagine two parallel infinite sheets, carrying uniform surface charge +a (on the sheet at z =d) and -σ (at z = 0). They are moving in they direction at constant speed v (as in Problem 5 .17).

(a) What is the electromagnetic momentum in a region of area A?

(b) Now suppose the top sheet moves slowly down (speed u) until it reaches the bottom sheet, so the fields disappear. By calculating the (magnetic) force on the charge (q =σ A), show that the impulse delivered to the sheet is equal to the momentum originally stored in the fields.

Prob. 5.17

A large parallel-plate capacitor with uniform surface charge a on the upper plate and -σ on the lower is moving with a constant speed v, as shown in Fig. 5.43.

(a) Find the magnetic field between the plates and also above and below them.

(b) Find the magnetic force per unit area on the upper plate, including its direction.

(c) At what speed v would the magnetic force balance the electrical force?15

Answers

Maurice Tutor
(5)
Status NEW Posted 31 Mar 2018 01:03 PM My Price 7.00

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