Question

answer the above question​

Answer 1

Step-by-step explanation:

1) We have ,

1/p = 1/5+1/10= 3/10

→p = 3.3 W

p '' = 7 W

P = 7+3.3 = 10.3 W .

Now , P = V^2/R

→10.3 = 36/R → R = 360/103 = 3.49 ohm

2) P = V I

→ 10.3 = 36I

→ I = 10.3 /36 = 0.28 A .

3) V = IR

→ V = 0.28× 7 = 1.96V