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Assertion (A): Copper is used to make el...

Assertion (A): Copper is used to make electric wires.
Reason (R): Copper has very low electrical resistance.

A

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

B

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

C

(A) is true but (R) is false

D

(A) is false but (R) is true

Text Solution

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Knowledge Check

  • Silver is not used to make electric wires because

    A
    It is a bad conductor of electricity
    B
    It is expensive
    C
    It is cheap
    D
    None of the above

  • Assertion (A): Silver is not used to make electric wires. Reason (R): Silver is a bad conductor.

    A
    Both A and R are true and R is the correct explanation of A.
    B
    Both A and R are true but R is NOT the correct explanation of A
    C
    A is true but R is false.
    D
    A is false and R is true.

  • Assertion : Copper and aluminium are used to make electric wires. Reason : Copper and aluminium are good conductors of electricity.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false
    D
    If both assertion and reason are false.