Statement-I - A charged plane parallel plate capacitor has half interplanar region I filled with dielectric slab- The other half region II has air- Then- the magnitude of net electric field in region I is less than that in region II- Statement-II - In a dielectric medium- induced or polarized charges tend to reduce the electric field-abA- If both Statement-I and Statement-II are true but Statement-II is correct explanation of the Statement-I-B- If both Statement-I and Statement-II are true and the Statement-II is not correct explanation of the Statement-I-C- If Statement-I is true but the Statement-II is falseD- If Statement-I is false but Statement-II is true

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Statement-I :...

Question

Statement-I : A charged plane parallel plate capacitor has half interplanar region (I) filled with dielectric slab. The other half region II has air. Then, the magnitude of net electric field in region I is less than that in region II.

Statement-II : In a dielectric medium, induced (or polarized) charges tend to reduce the electric field.

If both Statement-I and Statement-II are true and the Statement-II is not correct explanation of the Statement-I.

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If both Statement-I and Statement-II are true but Statement-II is correct explanation of the Statement-I.

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If Statement-I is true but the Statement-II is false

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If Statement-I is false but Statement-II is true

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Solution

The correct option is D
If Statement-I is false but Statement-II is true

Potential difference in both parts is same

$E_{1} d = E_{2} d$

$∴ E_{1} = E_{2}$

The induced charges always tend to decrease the electric field in a dielectric medium, hence statement II is true.

Statement (I) is false Statement II is true.

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The correct option is D If Statement-I is false but Statement-II is true Potential difference in both parts is same E1d=E2d ∴E1=E2 The induced charges always tend to decrease the electric field in a dielectric medium, hence statement II is true. Statement (I) is false Statement II is true.