A wire of resistance 5 Ohm is spent in the form of closed circle. What is the resistance between 2 points at the ends of any diameter of the circle?
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Resistance of each half circle will be 5/2 =2.5 ohm
Resistance between two diametrically opposite end, the wire will be in parallel connection.
(1/R) = (1/2.5) +(1/2.5)
=2/2.5
⇒R = 2.5/2
⇒R= 1.25 ohm
Resistance between two diametrically opposite end, the wire will be in parallel connection.
(1/R) = (1/2.5) +(1/2.5)
=2/2.5
⇒R = 2.5/2
⇒R= 1.25 ohm
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