Question

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Answer 1

Answer ⇒ 6 ohm.

Explanation ⇒

• If the wire will be bent in the form of square, then each side will have the same resistance.
• Since, the wire have 4 sides, hence, Resistance of each side of the wire is given as,

24/4 = 6 ohm.

• Now, visualize the figure given in Attachment.
• There will be two series combination of two sides of sqaure on each side of diagonal.
• Now, Resistance of series combination = 6 + 6 = 12 ohm.
• This 12 ohm is on both sides of the diagonal.
• Now, Net Resistance = R₁R₂/(R₁ + R₂)
• = 12²/(12 + 12)
• = 144/24
• = 6  ohm.

Hence, the net resistance of the wire in square form is 6 ohm.