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Assertion. A metallic shield in the for...

Assertion. A metallic shield in the form of a hollow shell, can be built to block an electric field.
Reason. In a hollow spherical shell, the electric field inside is not zero at every point.

A

If both assertion and Reason are true and the Reason is correct explanation of the Assertion.

B

If both assertion and reason are true but Reason is not the correct explanation of the Assertion.

C

If Assertion is true, but the Reason is false.

D

If both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
a
In a hollow spherical shield, the charge is present only on its surface but charge is zero at every point inside the hollow sphere. Hence, the metallic shield in form of hollow shell may be built to block an electric field.
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Knowledge Check

  • A hollow sphere of charge does not produce an electric field at any :

    A
    interior point
    B
    outer point
    C
    beyond 2 m
    D
    beyond 10 m

  • As the electric change on the surface of a hollow metal sphere increases, the electric field intensity inside the sphere

    A
    zero
    B
    `(E)/(2)`
    C
    E
    D
    2 E

  • Intensity of gravitational field inside the hollow spherical shell is

    A
    Variable
    B
    minimum
    C
    maximum
    D
    zero

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