The potential difference (VA - VB) between the points A and B in the given figure is

  • Option 1)

    -3 V

  • Option 2)

    +3 V

  • Option 3)

    +6 V

  • Option 4)

    +9 V

 

Answers (1)

As we discussed 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

V=IR

 

 V_{AB}=V_{A}-V_{B}

= 2x2+3+1x2=9V


Option 1)

-3 V

This option is incorrect.

Option 2)

+3 V

This option is incorrect.

Option 3)

+6 V

This option is incorrect.

Option 4)

+9 V

This option is correct.

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