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How many minimum number of 2Omega resist...

How many minimum number of `2Omega` resistance can be connected to have an effective resistance of `1.5Omega`

A

3

B

2

C

6

D

4

Text Solution

Verified by Experts

The correct Answer is:
C

For X block, resistance = `1Omega`
For Y block, resistance = `0.5Omega`
For X and Y combination, resistance = `1.5Omega`
`therefore` Number of `2Omega` resistance used = 6
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