In parallel combination, the equivalent resistance:

decreases

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increases

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may increase or decrease according to the situation

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no particular observation

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Solution

The correct option is A
decreases

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Q. Two resistors of resistances

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= (200

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Q. Three equal resistances when combined in series are equivalent to 90 ohm. Their equivalent resistance when combined in parallel will be:

Q. Students A and B connect the two resistors R₁ and R₂ given to them in the manners shown below:

and then insert them at X and Y into the measuring circuit shown below:

We can then say that
(1) both the students will determine the equivalent resistance of the series combination of R₁ and R₂
(2) both the students will determine the equivalent resistance of the parallel combination of R₁ and R₂
(3) student A will determine the equivalent resistance of the series combination while student B will determine the equivalent resistance of the parallel combination of R₁ and R₂
(4) student A will determine the equivalent resistance of the parallel combination while student B will determine the equivalent resistance of the series combination of R₁ and R₂

A uniform wire with a resistance of $27 Ω$ is divided into three equal pieces and then they are joined in parallel. Find the equivalent resistance of the parallel combination.

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In parallel combination, the equivalent resistance:

The correct option is A decreases

The correct option is A
decreases