Question

* find the current through the resistor
R1 and R2 Also find the voltage actors R1 and R2
R1=100
V1=10
R2=100
I1=2​

Answer 1

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(a)As all the resistances are in parallel the voltage across each of them will be same =12V

I

1

=

R

1

V

=

5

12

=2.4A

I

2

=

R

2

V

=

10

12

=1.2A

I

3

=

R

3

V

=

30

12

=0.4A

(b) Total current= I

1

+I

2

+I

3

=2.4+1.2+0.4=4A

(c) Total circuit resistance =

Total current

V

=

4

12

=3Ω

Answer 2

Answer:

As all the resistances are in parallel the voltage across each of them will be same =12V

I

1

​

=

R

1

​

V

​

=

5

12

​

=2.4A

I

2

​

=

R

2

​

V

​

=

10

12

​

=1.2A

I

3

​

=

R

3

​

V

​

=

30

12

​

=0.4A

(b) Total current= I

1

​

+I

2

​

+I

3

​

=2.4+1.2+0.4=4A

(c) Total circuit resistance =

Total current

V

​

=

4

12

​

=3Ω

Step-by-step explanation:

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