Question

this is physics. need help​

Answer 1

Answer:

i) 4

ii) 16

iii) 4

Explanation:

Ohm's law formula : V = IR

therefore ,

i) V = IR

20 = I ×5

I = 20÷5

I = 4

ii) V = IR

= 8×2

= 16

iii) V = IR

12 = 3 ×R

R = 12÷3

R= 4