Question

: The given four
terminal net work is a part of
larger circuit. The points A,B,C
are at the same potential. The
P.D. between any one of A,B or C
and D is 40V. Find the P.D.
between A&0.​

Answer 1

Answer:

Explanation

Correct option is

A

10 V

⇒V  

AD

​

=40

⇒R  

eff

​

=  

3

R

​

+R=  

3

4R

​

 

⇒I×R  

eff

​

=40

       I×  

3

4R

​

=40

  ⇒IR=30

V  

AO

​

=  

3

I

​

×R

         =  

3

30

​

=10V