The following question consists of two statements – Assertion (A) and Reason (R). Answer this question by selecting the appropriate option given below:

Assertion (A): When the resistances are connected between the same two points, they are said to be connected in parallel.

Reason (R): In case the total resistance is to be decreased, then the individual resistances are connected in parallel.

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Both A and R are true and R is the correct explanation of A.

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

A is true but R is false.

A is false but R is true.

answer is B.

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Detailed Solution

Both A and R are true but R is not the correct explanation of A.
Assertion: The current in a circuit is affected by resistance and also the circuit's potential difference. Resistances can be linked in two ways: serially and parallelly. When two or even more resistances are connected end-to-end in a row, they are said to be in series.
Reason: In case of parallel resistance, the total resistance is found by first taking reciprocal of the individual resistances and then adding them. And to get the equivalent resistance, we again have to take reciprocal measures. By adding the fractions, we will get a lesser value and hence, the total resistance decreases when individual resistances are connected in parallel.

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