A, B and C are voltmeters of resistance R, 1.5R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are VA, VB and VC respectively. Then: Option 1) Option 2) Option 3) Option 4)

As we learnt in

Potential difference -

The voltage accross the terminals of a cell when it is supplying current to external resistance is known as Potential Difference .

- wherein

and

In series Grouping -

- wherein

Equivalent Resistance

Option 1)

Incorrect

Option 2)

Incorrect

Option 3)

Correct

Option 4)

Incorrect