emailforalexus
contestada

What is the equivalent resistance for a parallel circuit that has two resistors: 18.0 ohms and 23.5 ohms?
A.
10.2 ohms
B.
20.8 ohms
C.
5.5 ohms
D.
41.5 ohms

Respuesta :

jcherry99

Answer:

A

Explanation:

First of all the answer is less than the smallest resistor, so it is less than 18 ohms.

1 / r1 + 1/ r2 = 1/r

1/18 + 1/23.5 = 1/r

1/18 = 0.05555555

1/23.5 = 0.0422532

1/18 + 1/23.5 = 0.0555555 + 0.0422532

1/r = 0.0981087  

r = 1/0.0981087

r = 10.193

A

Answer:

10.2 ohms

Explanation:

Otras preguntas