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Three large parallel plates have uniform...

Three large parallel plates have uniform surface charge densities as shown in the figure. What is the electric field at `P`
.

A

`-(4sigma)/(in_(0))hatk`

B

`(4sigma)/(in_(0))hatk`

C

`-(2sigma)/(in_(0))hatk`

D

`(2sigma)/(in_(0))hatk`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Three large parallel plates have unifrom surface charge densities as shown in the figure. What is the electric field at P .

    A
    ` - ( 4 sigma)/( in_0) hat k`
    B
    ` - ( 4 sigma)/( in_0) hat k`
    C
    ` - ( 4 sigma)/( in_0) hat k`
    D
    ` - ( 4 sigma)/( in_0) hat k`

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    A
    `(-2 sigma)/(epsilon_(0))`
    B
    `(2 sigma)/(epsilon_(0)) hatk`
    C
    `(-4sigma)/(epsilon_(0)) hatk`
    D
    `(4 sigma)/(epsilon_(0)) hatk`

  • Three infinitely charged sheets are kept parallel to xy plane having charge densities as shown in Fig. Then the value of electric field at P is

    A
    `(-4 sigma)/(in_(0) hat(k)`
    B
    `(4 sigma)/(in_(0) hat(k)`
    C
    `(-2 sigma)/(in_(0) hat(k)`
    D
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