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Solution


Q.

Assertion: A fault occurred in the domestic lines, but all the equipment’s are safe.
Reason: Potential difference is only 220 V in our country in domestic lines.
1 Both assertion and reason are correct and reason is the correct explanation of assertion.  
2 Both assertion and reason are correct, but reason is not the correct explanation of assertion.  
3 Assertion is true, but reason is false.  
4 Assertion is false, but reason is true.  

Ans.

(2)

As when a fault occurs in the domestic lines there is a protective device called fuse which breaks the circuit and protects all the equipments by melting the low melting point wire wrapped to it in order to interrupt supply. Thus, both assertion and reason are correct but reason is not the correct explanation of the assertion.