A wire of resistance 20 ohm is bent in a form of closed circuit. what is the effective resistance between two points at the end of any diameter of a circle?
Answers
Answered by
42
Resistance of each half circle will be 20/2 =10 ohm
Resistance between two diametrically opposite end, the wire will be in parallel connection.
(1/R) = (1/10) +(1/10)
=2/10
⇒R = 10/2
⇒R= 5 ohm
Resistance between two diametrically opposite end, the wire will be in parallel connection.
(1/R) = (1/10) +(1/10)
=2/10
⇒R = 10/2
⇒R= 5 ohm
Answered by
10
Answer:5ohm
Explanation:
Diameter is 1/2 so r/2
Now 20/2=10
1/R=1/r1+1/r2
1/R =2/10
R = 10/2
=5ohm
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