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Two parallel plates each have an area of 35.5 cm2. Between the plates is a dielectric with K = 52. If the charge magnitude on each plate is 2.1 nC, determine the E-field between the plates. E =

Two parallel plates each have an area of 35.5 cm2. Between the plates is a dielectric with K = 52. If the charge magnitude on each plate is 2.1 nC, determine the E-field between the plates. E =

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter23: Electric Forces
Section: Chapter Questions
Problem 3PQ: An object has a charge of 35 nC. How many excess protons does it have?
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O Part B Two parallel plates each have an area of 35.5 cm-. Between the plates is a dielectric with K = 52. If the charge magnitude on each plate is 2.1 nC, determine the E-field between the plates. E =
Transcribed Image Text:O Part B Two parallel plates each have an area of 35.5 cm-. Between the plates is a dielectric with K = 52. If the charge magnitude on each plate is 2.1 nC, determine the E-field between the plates. E =
Expert Solution
Step 1

Given Data:-

Area of each plate is

 A=35.5 cm2

⇒A=35.5 cm2×10-4 m21 cm2

⇒A=35.5×10-4 m2

Dielectric constant between the two plates is K=52

Magnitude of charge on each plate is

 q=2.1 nC

⇒q=2.1 nC×10-9 CnC

⇒q=2.1 ×10-9 C

 

Required:-

Electric field between the two plates.

Formula:-

Electric field between the two plates is given by

E=σKε0

 σ is the charge density, K is the dielectric constant, ε0 is the free-space permittivity.

 

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