1. Tardigrade
  2. Question
  3. Physics
  4. Four resistances 10 Ω, 5 Ω, 7 Ω and 3 Ω are connected so that they form the sides of a rectangle A B, B C, C D and D A respectively. Another resistance of 10 Ω is connected across the diagonal A C. The equivalent resistance between A and B is

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Q. Four resistances $10\,\Omega, 5\, \Omega, 7\, \Omega$ and $3 \,\Omega$ are connected so that they form the sides of a rectangle $A B, B C, C D$ and $D A$ respectively. Another resistance of $10 \,\Omega$ is connected across the diagonal $A C$. The equivalent resistance between $A$ and $B$ is

Current Electricity

Solution:

The figure can be drawn as follows:
image
image
$\Rightarrow R_{A B}=5\, \Omega$