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  • In the following question, two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these question from the codes (a), (b), (c) and (d) as given below : Assertion (A) :

In the following question, two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select
the correct answer to these question from the codes (a), (b), (c) and (d) as given below : Assertion (A) : Alloys are commonly used in electrical heating devices like electric iron and heater.
Reason (R) : Resistivity of an alloy is generally higher than that of its constituent metals but the alloys have low melting points then their constituent metals.
Option: 1 Both (A) and (R) are true and (R) is correct explanation of the assertion.
 
Option: 2 Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
 
Option: 3 (A) is true but (R) is false.
 
Option: 4 (A) is false but (R) is true.

Answers (1)

1. Alloys are commonly used in electrical heating devices like electric iron and heater.

2. Resistivity of an alloy is generally higher than that of its constituent metals but the alloys have low melting points then their constituent metals is a false statement.

Therefore,  A is true but R is false.

Hence Option C is correct 

Posted by

Safeer PP

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