Question

Three resistances each of 4 ohm are connected in the form of an equilateral triangle. The effective resistance between any two corners is:

• A. Ohm
• B. Ohm
• C. 8 Ohm
• D. 12 Ohm

Answer 1

The correct option is B

Ohm

The equivalent resistance of the two resistances connected in series = 4 ohm + 4 ohm = 8 ohm.

This resistance of 8 ohm is parallel to a resistance of 4 ohm, the equivalent resistance =($\frac{4\times 8}{4+8}$) = ($\frac{8}{3}$) ohm.