Question

A uniform wire of resistance 25 ohms is cut into five equal parts .These parts are now connected in parallel Then the equivalent resistance of the combination is....​

Answer 1

Answer:

1 ohm

Explanation:

=1/5+1/5+1/5+1/5+1/5

=5/5

=1 ohm

Answer 2

The equivalent resistance of the combination is 1 ohms.

Explanation:

It is given that, a uniform wire of resistance 25 ohms is cut into five equal parts. Then these parts are connected in parallel. When the wire is connected, each wire will have a resistance of 5 ohms. The equivalent resistance in parallel combination is given by :

$\dfrac{1}{R_{eq}}=\dfrac{1}{R_1}+\dfrac{1}{R_2}+.....$

$\dfrac{1}{R_{eq}}=\dfrac{1}{5}+\dfrac{1}{5}+\dfrac{1}{5}+\dfrac{1}{5}$

$R_{eq}=1\ \Omega$

So, the equivalent resistance of the combination is 1 ohms.

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