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You are given a wire of length 100 cm an...

You are given a wire of length 100 cm and linear resistance of 1 ohm/cm. if it is cut into two parts, so that when they are in parallel, the effective resistance is 24 ohm. The lengths of the two parts are

A

30 cm & 70 cm

B

60 cm & 40 cm

C

70 cm & 30 cm

D

20 cm & 80 cm

Text Solution

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The correct Answer is:
B
combination of resistors
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