Home Physics Current Electricity Grouping of Resistances Five resistors are connected as shown in the…
Physics Current Electricity Grouping of Resistances Single Correct MCQ
Published on: September 12, 2026

Five resistors are connected as shown in the diagram. The equivalent resistance between A and B is

A
6 ohm
B
9 ohm
C
12 ohm
D
15 ohm

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Text Solution

Verified by Experts
The correct answer is:
A

Since the given bridge is balanced, hence there will be no current through 90 resistance. This resistance has no effect and must be ignored in the calculations.

$R_{AB} = \frac{9 \times 18}{27} = 6 \Omega$

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