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The strength of electric filed in the ch...

The strength of electric filed in the charged and isolated capacitor is decreased when the dielectric slab is inserted.
When the dielectric slab is inserted between the plates of a charged capacitor, electricfield produced due to induced charged, opposite to the external field.

A

Both A and R false

B

Both A and R true and R is not correct reason for A

C

A is true and R is false

D

Both A and R are true and R is correct reason of A.

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • When a dielectric is inserted in the space between parallel plates of a charged capacitor, then

    A
    induced charges of opposite signs appear on each surface of dielectric
    B
    induced charges of same sign appear on each surface of dielectric.
    C
    induced e.m.f. is generated between plates.
    D
    migration of electrons stop.

  • When dielectric is inserted in the space between plates of a capacitor, then

    A
    magnitude of charge increases.
    B
    magnitude of charge decreases.
    C
    charge remains the same.
    D
    charge becomes zero.

  • A dielectric slab is inserted between the plates of an isolatted capacitoe. The forcebetween the plates will

    A
    increase
    B
    decrease
    C
    remain unchanged
    D
    become zero

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