Question

The current drawn from 4 volt

Answer 1

Answer:Equivalent resistance the given network is

     

R

1

​

=

R

4

​

1

​

+

R

1

​

+R

2

​

+R

3

​

1

​

 

    =

10

1

​

+

10+10+10

1

​

=

10

1

​

+

30

1

​

=

30

3+1

​

=

30

4

​

 

∴          R=

4

30

​

=7.5 Ω

Current drawn from the battery

I=

R

V

​

=

7.5

3

​

=

75

30

​

=

5

2

​

 

⇒         I=0.4 A