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Equivalent Resistance of a System of Resistor

The four resi...

Question

The four resistors each of 1ohm are connected as shown below. What will be the equivalent resistance between A and B?

A

4 Ω

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B

3 Ω

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C

2 Ω

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D

1 Ω

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Solution

The correct option is C
2 Ω

This figure can also be represented as:

Hence, we can see that 3 resistors are in parallel and 1 resistor is in series.

So, equivalent resistance = $\frac{4}{3}$ ohm

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Equivalent Resistance of a System of Resistor

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