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Solution


Q.

Assertion: In a series circuit, the current is constant throughout the electric circuit.
Reason: All electric devices do not need equal currents to operate properly.
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)

Current is constant in a series circuit as there is only one path for the flow of current. But different devices connected in a circuit have different power ratings and therefore draw different amounts of currents. Thus, both assertion and reason are correct and reason is not the correct explanation of the assertion.