A circuit is constructed with a 20-V power supply and two resistors in series: R1 = 4.0 ohms, and R2 = 2.0 ohms. What is the resulting current in the circuit?

The resulting current in the circuit is 3.33 A

Explanation:

Since we have two resistors R1 = 4.0 ohms and R2 = 2.0 ohms, since they are in series, their equivalent resistance R is R1 + R2 = 4 Ω + 2 Ω = 6 Ω.

Now, from Ohm's law we have that V = IR where V = voltage applied, I = current in the circuit and R = resistance.

Since it is given that we have a 20 V supply, V = 20 V and our equivalent resistance R =  6 Ω.

Making the current I subject of the4 formula, we have

I = V/R

substituting the values of V = 20 V and R =  6 Ω, we have

I = V/R

I = 20 V/ 6 Ω

I = 3.33 A

So, the resulting current in the circuit is 3.33 A

report!

explanation:

physics means: "the branch of science concerned with the nature and properties of matter and energy. the subject matter of physics, distinguished from that of chemistry and biology, includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms."

i think the answer is a and b

i wish you luck