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Physics · Electrostatic Potential

हिन्दी

Given below are two statements: Statement I: Vehicles carrying inflammable materials usually have metallic chains touching the ground during motion. Statement II: On a rainy day with high humidity, a plastic comb run through dry hair attracts bits of paper more strongly than on a dry day. In the light of the above statements, choose the most appropriate answer from the options given below:

  1. Both Statement I and Statement II are correct.
  2. Both Statement I and Statement II are incorrect.
  3. Statement I is correct but Statement II is incorrect.
  4. Statement I is incorrect but Statement II is correct.

Correct answer · Option 3

Statement I is correct but Statement II is incorrect.

Explanation

Statement I is correct (grounding avoids spark discharge). Statement II is incorrect because moisture conducts charge away, reducing electrostatic attraction.
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