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Equivalent Resistance of a System of Resistor

In the given ...

Question

In the given set up resistors A, B & C are of resistance 1 ohm each.

Find the current through resistor A and Potential difference across it

2A, 0v

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1A, 2v

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4A, 2v

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0A, 0v

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Solution

The correct option is D
0A, 0v

∵ ideal wire parallel to resistor A has 0 resistance so all current through battery flows through it and not through A so i = 0A And also no potential difference

So v = 0v

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The value of current flowing in a given resistor for the corresponding values of potential difference across the resistor are given below:

I: 0.5, 1.0, 2.0, 3.0, 4.0

V: 1.6, 3.4, 6.7, 10.2, 13.2

Calculate the resistance of the resistor.

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