Electrostatics

JEE Main level, single correct, medium

62 of 311

Question 62 of 311

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : The outer body of an air craft is made of metal which protects persons sitting inside from lightning-strikes.
Reason (R) : The electric field inside the cavity enclosed by a conductor is zero.
In the light of the above statements, chose the most appropriate answer from the options given below :

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Answer: (A) Both (A)(\mathrm{A}) and (R)(\mathrm{R}) are correct and (R)(\mathrm{R}) is the correct explanation of (A)(\mathrm{A})

Electric field of outside charge is zero inside conductor

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