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प्रश्न
Assertion (A): Metals and alloys conduct electricity with the help of electrons.
Reason (R): Non-metals do not have free electrons.
पर्याय
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
MCQ
विधान आणि तर्क
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उत्तर
Both A and R are true but R is not the correct explanation of A.
Explanation:
Assertion A is true because electrical conduction in metals and alloys occurs through mobile electrons. Reason R is also true as a complementary general fact, but it states only the case of non-metals and does not directly establish the mechanism of conduction in metals and alloys. Hence, R is not the correct explanation of A.
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