A wire of resistance 4 ohm is bent to form a circle . What is the resistance between two diametrically opposite ends?
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Resistance of each half circle will be 2 ohm
Resistance between two diametrically opposite end, the wire will be in parallel connection.
(1/R) = (1/2) +(1/2)
=1
⇒R = 1 ohm
Resistance between two diametrically opposite end, the wire will be in parallel connection.
(1/R) = (1/2) +(1/2)
=1
⇒R = 1 ohm
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