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Materials and Components - Engineering

Q1:

Assertion (A): Ionic solids, in general, have no electrical conductivity. Reason (R): In ionic solids, electrons are tightly bound to the nucleus.

A Both A and R are true and R is correct explanation of A

B Both A and R are true but R is not correct explanation of A

C A is true but R is false

D A is false but R is true

ANS:A - Both A and R are true and R is correct explanation of A

If electrons are tightly bound, conductivity is not there.