Question

The potential difference across 8 ohm resistance is 48 volt as shown in the figure. The value of potential difference across X and Y points will be

1.  160 volt

 2.  128 volt

3.  80 volt

4.  62 volt

Answer 1

Correct option (1)  160 volt

Explanation:

Resistance between A and B

= 24 x 8/24 + 8 = 6Ω

Current between A and B = Current between X and Y 

I = 48/6 =  8A 

Resistance between X and Y 

= 3+10+6+1 = 20Ω

 V = 8 x 20 = 160V