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Three students (A),(B) and ( C) connecte...

Three students (A),(B) and ( C) connected their two resistor `R_1` and `R_2` in the manner shown below.

They connected the terminals marked X and Y above to the two terminals marked X and Y in the circuit given below:

They record the ammeter readings for different positions of teh rheostate and the corresponding voltmeter readings. The average value of the ratio V/I in thier observations would be minimum for:

A

Students A and B only

B

Students B and C only

C

Students C and A only

D

Students A only

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MODERN PUBLICATION-ELECTRICITY-EXERCISE
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