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Question

This section contains 1 Assertion-Reason type question, which has 4 choices (A), (B), (C) and (D) out of which ONLY ONE is correct.
A : Electrostatic field lines are normal to a conducting surface.
R : A conducting surface is not an equipotential surface in electrostatic equilibrium.
इस खण्ड में 1 कथन-कारण प्रकार का प्रश्न है, जिसमें 4 विकल्प (A), (B), (C) तथा (D) दिये गये हैं, जिनमें से केवल एक सही है।
A : स्थिर वैद्युत क्षेत्र रेखाऐं किसी चालक पृष्ठ के लम्बवत् होती हैं।
R : स्थिर वैद्युत साम्य में चालक पृष्ठ, समविभव पृष्ठ नहीं होता है।

A
Both (A) and (R) are true but (R) is not the correct explanation of (A)
(A) तथा (R) दोनों सही हैं लेकिन (R), (A) का सही स्पष्टीकरण नहीं है
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B
(A) is true but (R) is false
(A) सही है लेकिन (R) गलत है
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C
(A) is false but (R) is true
(A) गलत है लेकिन (R) सही है
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D
Both (A) and (R) are true and (R) is the correct explanation of (A)
(A) तथा (R) दोनों सही हैं तथा (R), (A) का सही स्पष्टीकरण है
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Solution

The correct option is B (A) is true but (R) is false
(A) सही है लेकिन (R) गलत है
Solution

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