Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityEquivalent ResistanceMedium2 minQB

PhysicsMediumsingle choice

Passage / Comprehension

Twelve wires of equal resistance R are placed in a given arrangement as shown in figure. Then find

Equivalent resistance between A & C is

Answer:

Solution:

With current in at A and out at C, the reflection symmetry about the line BOE makes (F, D) equipotential.

Merging that pair and reducing the resulting series-parallel network gives $R_{A C} = \frac{3 R}{4}$ .

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Equivalent Resistance

⏱ 2mℹ️ Source: QB

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