Q.

(A) : Metals are generally good conductors of electricity.
(R) : Electrical conductivity of metals is due to Schottky type defects.

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a

(A) is true but (R) is false

b

(A) is false but (R) is true

c

Both (A) and (R) are true and (R) is the correct explanation of (A)

d

Both (A) and (R) are true and (R) is not the correct explanation of (A)

answer is C.

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Detailed Solution

Conductivity arises due to several defects not only schottky

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(A) : Metals are generally good conductors of electricity.(R) : Electrical conductivity of metals is due to Schottky type defects.